diff --git a/src/main/java/org/codelibs/fess/Constants.java b/src/main/java/org/codelibs/fess/Constants.java
index 1c555cc91..9d89ce10f 100644
--- a/src/main/java/org/codelibs/fess/Constants.java
+++ b/src/main/java/org/codelibs/fess/Constants.java
@@ -32,8 +32,6 @@ public class Constants extends CoreLibConstants {
 
     public static final int DEFAULT_ADMIN_PAGE_NUMBER = 1;
 
-    public static final int DEFAULT_ADMIN_PAGE_SIZE = 25;
-
     public static final String WEB_API_VERSION = FESS_VERSION;
 
     public static final String TRUE = "true";
diff --git a/src/main/java/org/codelibs/fess/app/pager/AccessTokenPager.java b/src/main/java/org/codelibs/fess/app/pager/AccessTokenPager.java
index b4a0c843b..8c9bc749b 100644
--- a/src/main/java/org/codelibs/fess/app/pager/AccessTokenPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/AccessTokenPager.java
@@ -19,6 +19,7 @@ import java.io.Serializable;
 import java.util.List;
 
 import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class AccessTokenPager implements Serializable {
     private static final long serialVersionUID = 1L;
@@ -132,7 +133,7 @@ public class AccessTokenPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/BadWordPager.java b/src/main/java/org/codelibs/fess/app/pager/BadWordPager.java
index 288ac14ec..4a6624a96 100644
--- a/src/main/java/org/codelibs/fess/app/pager/BadWordPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/BadWordPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class BadWordPager implements Serializable {
 
@@ -135,7 +135,7 @@ public class BadWordPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/BoostDocPager.java b/src/main/java/org/codelibs/fess/app/pager/BoostDocPager.java
index c172430f3..02d70a191 100644
--- a/src/main/java/org/codelibs/fess/app/pager/BoostDocPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/BoostDocPager.java
@@ -19,6 +19,7 @@ import java.io.Serializable;
 import java.util.List;
 
 import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class BoostDocPager implements Serializable {
     private static final long serialVersionUID = 1L;
@@ -138,7 +139,7 @@ public class BoostDocPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/CharMappingPager.java b/src/main/java/org/codelibs/fess/app/pager/CharMappingPager.java
index ebfda01b8..056383382 100644
--- a/src/main/java/org/codelibs/fess/app/pager/CharMappingPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/CharMappingPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class CharMappingPager implements Serializable {
 
@@ -52,7 +52,7 @@ public class CharMappingPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
     protected int getDefaultCurrentPageNumber() {
diff --git a/src/main/java/org/codelibs/fess/app/pager/CrawlingInfoPager.java b/src/main/java/org/codelibs/fess/app/pager/CrawlingInfoPager.java
index 42fdc0321..499d02af7 100644
--- a/src/main/java/org/codelibs/fess/app/pager/CrawlingInfoPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/CrawlingInfoPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class CrawlingInfoPager implements Serializable {
 
@@ -129,7 +129,7 @@ public class CrawlingInfoPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/DataConfigPager.java b/src/main/java/org/codelibs/fess/app/pager/DataConfigPager.java
index e2afecf02..c11f48273 100644
--- a/src/main/java/org/codelibs/fess/app/pager/DataConfigPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/DataConfigPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class DataConfigPager implements Serializable {
 
@@ -147,7 +147,7 @@ public class DataConfigPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/DuplicateHostPager.java b/src/main/java/org/codelibs/fess/app/pager/DuplicateHostPager.java
index 88e004ed4..7c6c93a4d 100644
--- a/src/main/java/org/codelibs/fess/app/pager/DuplicateHostPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/DuplicateHostPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class DuplicateHostPager implements Serializable {
 
@@ -141,7 +141,7 @@ public class DuplicateHostPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/ElevateWordPager.java b/src/main/java/org/codelibs/fess/app/pager/ElevateWordPager.java
index babe62c3e..cd16f58e6 100644
--- a/src/main/java/org/codelibs/fess/app/pager/ElevateWordPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/ElevateWordPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class ElevateWordPager implements Serializable {
 
@@ -138,7 +138,7 @@ public class ElevateWordPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/FailureUrlPager.java b/src/main/java/org/codelibs/fess/app/pager/FailureUrlPager.java
index d34faf5f7..e567d8cbe 100644
--- a/src/main/java/org/codelibs/fess/app/pager/FailureUrlPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/FailureUrlPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class FailureUrlPager implements Serializable {
 
@@ -148,7 +148,7 @@ public class FailureUrlPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/FileAuthPager.java b/src/main/java/org/codelibs/fess/app/pager/FileAuthPager.java
index 9c5599521..353996d6d 100644
--- a/src/main/java/org/codelibs/fess/app/pager/FileAuthPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/FileAuthPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class FileAuthPager implements Serializable {
 
@@ -141,7 +141,7 @@ public class FileAuthPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/FileConfigPager.java b/src/main/java/org/codelibs/fess/app/pager/FileConfigPager.java
index 7d97ee6f1..149e311cb 100644
--- a/src/main/java/org/codelibs/fess/app/pager/FileConfigPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/FileConfigPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class FileConfigPager implements Serializable {
 
@@ -153,7 +153,7 @@ public class FileConfigPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/GroupPager.java b/src/main/java/org/codelibs/fess/app/pager/GroupPager.java
index ad3b3ffd6..16cc97789 100644
--- a/src/main/java/org/codelibs/fess/app/pager/GroupPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/GroupPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class GroupPager implements Serializable {
 
@@ -129,7 +129,7 @@ public class GroupPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/JobLogPager.java b/src/main/java/org/codelibs/fess/app/pager/JobLogPager.java
index e12bcb890..9bf62dde7 100644
--- a/src/main/java/org/codelibs/fess/app/pager/JobLogPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/JobLogPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class JobLogPager implements Serializable {
 
@@ -138,7 +138,7 @@ public class JobLogPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/KeyMatchPager.java b/src/main/java/org/codelibs/fess/app/pager/KeyMatchPager.java
index 474d97f1b..6bb7dea19 100644
--- a/src/main/java/org/codelibs/fess/app/pager/KeyMatchPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/KeyMatchPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class KeyMatchPager implements Serializable {
 
@@ -144,7 +144,7 @@ public class KeyMatchPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/KuromojiPager.java b/src/main/java/org/codelibs/fess/app/pager/KuromojiPager.java
index b9f59324a..87dab859a 100644
--- a/src/main/java/org/codelibs/fess/app/pager/KuromojiPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/KuromojiPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class KuromojiPager implements Serializable {
 
@@ -52,7 +52,7 @@ public class KuromojiPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
     protected int getDefaultCurrentPageNumber() {
diff --git a/src/main/java/org/codelibs/fess/app/pager/LabelTypePager.java b/src/main/java/org/codelibs/fess/app/pager/LabelTypePager.java
index 3c718d58b..a92eed3b6 100644
--- a/src/main/java/org/codelibs/fess/app/pager/LabelTypePager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/LabelTypePager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class LabelTypePager implements Serializable {
 
@@ -141,7 +141,7 @@ public class LabelTypePager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/PathMapPager.java b/src/main/java/org/codelibs/fess/app/pager/PathMapPager.java
index 882a94b1b..0b9a1e523 100644
--- a/src/main/java/org/codelibs/fess/app/pager/PathMapPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/PathMapPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class PathMapPager implements Serializable {
 
@@ -144,7 +144,7 @@ public class PathMapPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/ProtwordsPager.java b/src/main/java/org/codelibs/fess/app/pager/ProtwordsPager.java
index 082bc4df9..d66188bc8 100644
--- a/src/main/java/org/codelibs/fess/app/pager/ProtwordsPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/ProtwordsPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class ProtwordsPager implements Serializable {
 
@@ -52,7 +52,7 @@ public class ProtwordsPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
     protected int getDefaultCurrentPageNumber() {
diff --git a/src/main/java/org/codelibs/fess/app/pager/ReqHeaderPager.java b/src/main/java/org/codelibs/fess/app/pager/ReqHeaderPager.java
index 88574c1ca..c35845d67 100644
--- a/src/main/java/org/codelibs/fess/app/pager/ReqHeaderPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/ReqHeaderPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class ReqHeaderPager implements Serializable {
 
@@ -141,7 +141,7 @@ public class ReqHeaderPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/RolePager.java b/src/main/java/org/codelibs/fess/app/pager/RolePager.java
index 38940796e..908811366 100644
--- a/src/main/java/org/codelibs/fess/app/pager/RolePager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/RolePager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class RolePager implements Serializable {
 
@@ -129,7 +129,7 @@ public class RolePager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/RoleTypePager.java b/src/main/java/org/codelibs/fess/app/pager/RoleTypePager.java
index bf09bcb15..6042ad056 100644
--- a/src/main/java/org/codelibs/fess/app/pager/RoleTypePager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/RoleTypePager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class RoleTypePager implements Serializable {
 
@@ -141,7 +141,7 @@ public class RoleTypePager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/SchedulerPager.java b/src/main/java/org/codelibs/fess/app/pager/SchedulerPager.java
index 6f6584913..7d123c9dc 100644
--- a/src/main/java/org/codelibs/fess/app/pager/SchedulerPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/SchedulerPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class SchedulerPager implements Serializable {
 
@@ -156,7 +156,7 @@ public class SchedulerPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/SeunjeonPager.java b/src/main/java/org/codelibs/fess/app/pager/SeunjeonPager.java
index 52916454d..481438ec9 100644
--- a/src/main/java/org/codelibs/fess/app/pager/SeunjeonPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/SeunjeonPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class SeunjeonPager implements Serializable {
 
@@ -52,7 +52,7 @@ public class SeunjeonPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
     protected int getDefaultCurrentPageNumber() {
diff --git a/src/main/java/org/codelibs/fess/app/pager/SynonymPager.java b/src/main/java/org/codelibs/fess/app/pager/SynonymPager.java
index c1220d9ba..b9a0cd45a 100644
--- a/src/main/java/org/codelibs/fess/app/pager/SynonymPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/SynonymPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class SynonymPager implements Serializable {
 
@@ -52,7 +52,7 @@ public class SynonymPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
     protected int getDefaultCurrentPageNumber() {
diff --git a/src/main/java/org/codelibs/fess/app/pager/UserPager.java b/src/main/java/org/codelibs/fess/app/pager/UserPager.java
index ca8f49300..4f62262de 100644
--- a/src/main/java/org/codelibs/fess/app/pager/UserPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/UserPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class UserPager implements Serializable {
 
@@ -134,7 +134,7 @@ public class UserPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/WebAuthPager.java b/src/main/java/org/codelibs/fess/app/pager/WebAuthPager.java
index 8f96fd881..cb7e11395 100644
--- a/src/main/java/org/codelibs/fess/app/pager/WebAuthPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/WebAuthPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class WebAuthPager implements Serializable {
 
@@ -141,7 +141,7 @@ public class WebAuthPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/pager/WebConfigPager.java b/src/main/java/org/codelibs/fess/app/pager/WebConfigPager.java
index e365b0dba..30d52bfb5 100644
--- a/src/main/java/org/codelibs/fess/app/pager/WebConfigPager.java
+++ b/src/main/java/org/codelibs/fess/app/pager/WebConfigPager.java
@@ -18,7 +18,7 @@ package org.codelibs.fess.app.pager;
 import java.io.Serializable;
 import java.util.List;
 
-import org.codelibs.fess.Constants;
+import org.codelibs.fess.util.ComponentUtil;
 
 public class WebConfigPager implements Serializable {
 
@@ -156,7 +156,7 @@ public class WebConfigPager implements Serializable {
     }
 
     protected int getDefaultPageSize() {
-        return Constants.DEFAULT_ADMIN_PAGE_SIZE;
+        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
     }
 
 }
diff --git a/src/main/java/org/codelibs/fess/app/service/AccessTokenService.java b/src/main/java/org/codelibs/fess/app/service/AccessTokenService.java
index b08b0154a..14c483c66 100644
--- a/src/main/java/org/codelibs/fess/app/service/AccessTokenService.java
+++ b/src/main/java/org/codelibs/fess/app/service/AccessTokenService.java
@@ -46,7 +46,8 @@ public class AccessTokenService {
 
         // update pager
         BeanUtil.copyBeanToBean(accessTokenList, accessTokenPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-        accessTokenPager.setPageNumberList(accessTokenList.pageRange(op -> op.rangeSize(5)).createPageNumberList());
+        accessTokenPager.setPageNumberList(accessTokenList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger()))
+                .createPageNumberList());
 
         return accessTokenList;
     }
diff --git a/src/main/java/org/codelibs/fess/app/service/BadWordService.java b/src/main/java/org/codelibs/fess/app/service/BadWordService.java
index 97930cdeb..9c08a2979 100644
--- a/src/main/java/org/codelibs/fess/app/service/BadWordService.java
+++ b/src/main/java/org/codelibs/fess/app/service/BadWordService.java
@@ -31,6 +31,7 @@ import org.codelibs.fess.es.client.FessEsClient;
 import org.codelibs.fess.es.config.cbean.BadWordCB;
 import org.codelibs.fess.es.config.exbhv.BadWordBhv;
 import org.codelibs.fess.es.config.exentity.BadWord;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.codelibs.fess.util.ComponentUtil;
 import org.dbflute.bhv.readable.EntityRowHandler;
 import org.dbflute.cbean.result.PagingResultBean;
@@ -54,6 +55,9 @@ public class BadWordService {
     @Resource
     protected FessEsClient fessEsClient;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     public List<BadWord> getBadWordList(final BadWordPager badWordPager) {
 
         final PagingResultBean<BadWord> badWordList = badWordBhv.selectPage(cb -> {
@@ -63,7 +67,8 @@ public class BadWordService {
 
         // update pager
         BeanUtil.copyBeanToBean(badWordList, badWordPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-        badWordPager.setPageNumberList(badWordList.pageRange(op -> op.rangeSize(5)).createPageNumberList());
+        badWordPager.setPageNumberList(badWordList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger()))
+                .createPageNumberList());
 
         return badWordList;
     }
diff --git a/src/main/java/org/codelibs/fess/app/service/BoostDocumentRuleService.java b/src/main/java/org/codelibs/fess/app/service/BoostDocumentRuleService.java
index 8af5e18a2..7b2aae101 100644
--- a/src/main/java/org/codelibs/fess/app/service/BoostDocumentRuleService.java
+++ b/src/main/java/org/codelibs/fess/app/service/BoostDocumentRuleService.java
@@ -46,7 +46,8 @@ public class BoostDocumentRuleService {
 
         // update pager
         BeanUtil.copyBeanToBean(boostDocumentRuleList, boostDocumentRulePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-        boostDocumentRulePager.setPageNumberList(boostDocumentRuleList.pageRange(op -> op.rangeSize(5)).createPageNumberList());
+        boostDocumentRulePager.setPageNumberList(boostDocumentRuleList.pageRange(
+                op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());
 
         return boostDocumentRuleList;
     }
diff --git a/src/main/java/org/codelibs/fess/app/service/CharMappingService.java b/src/main/java/org/codelibs/fess/app/service/CharMappingService.java
index 6996571aa..2a38b0c22 100644
--- a/src/main/java/org/codelibs/fess/app/service/CharMappingService.java
+++ b/src/main/java/org/codelibs/fess/app/service/CharMappingService.java
@@ -27,12 +27,16 @@ import org.codelibs.fess.dict.DictionaryFile.PagingList;
 import org.codelibs.fess.dict.DictionaryManager;
 import org.codelibs.fess.dict.mapping.CharMappingFile;
 import org.codelibs.fess.dict.mapping.CharMappingItem;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.dbflute.optional.OptionalEntity;
 
 public class CharMappingService {
     @Resource
     protected DictionaryManager dictionaryManager;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     public List<CharMappingItem> getCharMappingList(final String dictId, final CharMappingPager charMappingPager) {
         return getCharMappingFile(dictId).map(
                 file -> {
@@ -42,7 +46,7 @@ public class CharMappingService {
 
                     // update pager
                     BeanUtil.copyBeanToBean(charMappingList, charMappingPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-                    charMappingList.setPageRangeSize(5);
+                    charMappingList.setPageRangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
                     charMappingPager.setPageNumberList(charMappingList.createPageNumberList());
 
                     return (List<CharMappingItem>) charMappingList;
diff --git a/src/main/java/org/codelibs/fess/app/service/CrawlingInfoService.java b/src/main/java/org/codelibs/fess/app/service/CrawlingInfoService.java
index 09588ddc1..e68f2a21d 100644
--- a/src/main/java/org/codelibs/fess/app/service/CrawlingInfoService.java
+++ b/src/main/java/org/codelibs/fess/app/service/CrawlingInfoService.java
@@ -76,7 +76,8 @@ public class CrawlingInfoService {
 
         // update pager
         BeanUtil.copyBeanToBean(crawlingInfoList, crawlingInfoPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-        crawlingInfoPager.setPageNumberList(crawlingInfoList.pageRange(op -> op.rangeSize(5)).createPageNumberList());
+        crawlingInfoPager.setPageNumberList(crawlingInfoList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger()))
+                .createPageNumberList());
 
         return crawlingInfoList;
     }
diff --git a/src/main/java/org/codelibs/fess/app/service/DataConfigService.java b/src/main/java/org/codelibs/fess/app/service/DataConfigService.java
index 3f9471384..b73fa4934 100644
--- a/src/main/java/org/codelibs/fess/app/service/DataConfigService.java
+++ b/src/main/java/org/codelibs/fess/app/service/DataConfigService.java
@@ -54,7 +54,7 @@ public class DataConfigService {
         // update pager
         BeanUtil.copyBeanToBean(dataConfigList, dataConfigPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         dataConfigPager.setPageNumberList(dataConfigList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return dataConfigList;
diff --git a/src/main/java/org/codelibs/fess/app/service/DuplicateHostService.java b/src/main/java/org/codelibs/fess/app/service/DuplicateHostService.java
index 743063137..5413751d3 100644
--- a/src/main/java/org/codelibs/fess/app/service/DuplicateHostService.java
+++ b/src/main/java/org/codelibs/fess/app/service/DuplicateHostService.java
@@ -47,7 +47,7 @@ public class DuplicateHostService {
         // update pager
         BeanUtil.copyBeanToBean(duplicateHostList, duplicateHostPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         duplicateHostPager.setPageNumberList(duplicateHostList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return duplicateHostList;
diff --git a/src/main/java/org/codelibs/fess/app/service/ElevateWordService.java b/src/main/java/org/codelibs/fess/app/service/ElevateWordService.java
index 60811a27d..6b8189f3e 100644
--- a/src/main/java/org/codelibs/fess/app/service/ElevateWordService.java
+++ b/src/main/java/org/codelibs/fess/app/service/ElevateWordService.java
@@ -76,7 +76,7 @@ public class ElevateWordService {
         // update pager
         BeanUtil.copyBeanToBean(elevateWordList, elevateWordPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         elevateWordPager.setPageNumberList(elevateWordList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return elevateWordList;
diff --git a/src/main/java/org/codelibs/fess/app/service/FailureUrlService.java b/src/main/java/org/codelibs/fess/app/service/FailureUrlService.java
index e42a0bd7a..93345b238 100644
--- a/src/main/java/org/codelibs/fess/app/service/FailureUrlService.java
+++ b/src/main/java/org/codelibs/fess/app/service/FailureUrlService.java
@@ -59,7 +59,7 @@ public class FailureUrlService {
         // update pager
         BeanUtil.copyBeanToBean(failureUrlList, failureUrlPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         failureUrlPager.setPageNumberList(failureUrlList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return failureUrlList;
diff --git a/src/main/java/org/codelibs/fess/app/service/FileAuthenticationService.java b/src/main/java/org/codelibs/fess/app/service/FileAuthenticationService.java
index 01fa87e67..7d7834eb0 100644
--- a/src/main/java/org/codelibs/fess/app/service/FileAuthenticationService.java
+++ b/src/main/java/org/codelibs/fess/app/service/FileAuthenticationService.java
@@ -47,7 +47,7 @@ public class FileAuthenticationService {
         // update pager
         BeanUtil.copyBeanToBean(fileAuthenticationList, fileAuthenticationPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         fileAuthenticationPager.setPageNumberList(fileAuthenticationList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return fileAuthenticationList;
diff --git a/src/main/java/org/codelibs/fess/app/service/FileConfigService.java b/src/main/java/org/codelibs/fess/app/service/FileConfigService.java
index defb4ec39..b1ec28b6a 100644
--- a/src/main/java/org/codelibs/fess/app/service/FileConfigService.java
+++ b/src/main/java/org/codelibs/fess/app/service/FileConfigService.java
@@ -57,7 +57,7 @@ public class FileConfigService {
         // update pager
         BeanUtil.copyBeanToBean(fileConfigList, fileConfigPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         fileConfigPager.setPageNumberList(fileConfigList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return fileConfigList;
diff --git a/src/main/java/org/codelibs/fess/app/service/GroupService.java b/src/main/java/org/codelibs/fess/app/service/GroupService.java
index 94d67a96c..da65f858a 100644
--- a/src/main/java/org/codelibs/fess/app/service/GroupService.java
+++ b/src/main/java/org/codelibs/fess/app/service/GroupService.java
@@ -54,7 +54,7 @@ public class GroupService {
         // update pager
         BeanUtil.copyBeanToBean(groupList, groupPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         groupPager.setPageNumberList(groupList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return groupList;
diff --git a/src/main/java/org/codelibs/fess/app/service/JobLogService.java b/src/main/java/org/codelibs/fess/app/service/JobLogService.java
index b8407865e..4b9b6c75d 100644
--- a/src/main/java/org/codelibs/fess/app/service/JobLogService.java
+++ b/src/main/java/org/codelibs/fess/app/service/JobLogService.java
@@ -25,6 +25,7 @@ import org.codelibs.fess.app.pager.JobLogPager;
 import org.codelibs.fess.es.config.cbean.JobLogCB;
 import org.codelibs.fess.es.config.exbhv.JobLogBhv;
 import org.codelibs.fess.es.config.exentity.JobLog;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.codelibs.fess.util.ComponentUtil;
 import org.dbflute.cbean.result.PagingResultBean;
 import org.dbflute.optional.OptionalEntity;
@@ -34,6 +35,9 @@ public class JobLogService {
     @Resource
     protected JobLogBhv jobLogBhv;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     protected long expiredJobInterval = 2 * 60 * 60 * 1000L; // 2hours
 
     public List<JobLog> getJobLogList(final JobLogPager jobLogPager) {
@@ -46,7 +50,7 @@ public class JobLogService {
         // update pager
         BeanUtil.copyBeanToBean(jobLogList, jobLogPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         jobLogPager.setPageNumberList(jobLogList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return jobLogList;
diff --git a/src/main/java/org/codelibs/fess/app/service/KeyMatchService.java b/src/main/java/org/codelibs/fess/app/service/KeyMatchService.java
index 2bb476500..9c6b8ad74 100644
--- a/src/main/java/org/codelibs/fess/app/service/KeyMatchService.java
+++ b/src/main/java/org/codelibs/fess/app/service/KeyMatchService.java
@@ -47,7 +47,7 @@ public class KeyMatchService {
         // update pager
         BeanUtil.copyBeanToBean(keyMatchList, keyMatchPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         keyMatchPager.setPageNumberList(keyMatchList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return keyMatchList;
diff --git a/src/main/java/org/codelibs/fess/app/service/KuromojiService.java b/src/main/java/org/codelibs/fess/app/service/KuromojiService.java
index 1bb3121b4..af1fb18dc 100644
--- a/src/main/java/org/codelibs/fess/app/service/KuromojiService.java
+++ b/src/main/java/org/codelibs/fess/app/service/KuromojiService.java
@@ -27,12 +27,16 @@ import org.codelibs.fess.dict.DictionaryFile.PagingList;
 import org.codelibs.fess.dict.DictionaryManager;
 import org.codelibs.fess.dict.kuromoji.KuromojiFile;
 import org.codelibs.fess.dict.kuromoji.KuromojiItem;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.dbflute.optional.OptionalEntity;
 
 public class KuromojiService {
     @Resource
     protected DictionaryManager dictionaryManager;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     public List<KuromojiItem> getKuromojiList(final String dictId, final KuromojiPager kuromojiPager) {
         return getKuromojiFile(dictId).map(file -> {
             final int pageSize = kuromojiPager.getPageSize();
@@ -40,7 +44,7 @@ public class KuromojiService {
 
             // update pager
                 BeanUtil.copyBeanToBean(kuromojiList, kuromojiPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-                kuromojiList.setPageRangeSize(5);
+                kuromojiList.setPageRangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
                 kuromojiPager.setPageNumberList(kuromojiList.createPageNumberList());
 
                 return (List<KuromojiItem>) kuromojiList;
diff --git a/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java b/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java
index 7723276b7..6925bbed7 100644
--- a/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java
+++ b/src/main/java/org/codelibs/fess/app/service/LabelTypeService.java
@@ -49,7 +49,7 @@ public class LabelTypeService {
         // update pager
         BeanUtil.copyBeanToBean(labelTypeList, labelTypePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         labelTypePager.setPageNumberList(labelTypeList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return labelTypeList;
diff --git a/src/main/java/org/codelibs/fess/app/service/PathMappingService.java b/src/main/java/org/codelibs/fess/app/service/PathMappingService.java
index e52291e78..117f93931 100644
--- a/src/main/java/org/codelibs/fess/app/service/PathMappingService.java
+++ b/src/main/java/org/codelibs/fess/app/service/PathMappingService.java
@@ -49,7 +49,7 @@ public class PathMappingService {
         // update pager
         BeanUtil.copyBeanToBean(pathMappingList, pathMappingPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         pathMappingPager.setPageNumberList(pathMappingList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return pathMappingList;
diff --git a/src/main/java/org/codelibs/fess/app/service/ProtwordsService.java b/src/main/java/org/codelibs/fess/app/service/ProtwordsService.java
index 0466ffa6c..ee0b26e37 100644
--- a/src/main/java/org/codelibs/fess/app/service/ProtwordsService.java
+++ b/src/main/java/org/codelibs/fess/app/service/ProtwordsService.java
@@ -27,12 +27,16 @@ import org.codelibs.fess.dict.DictionaryFile.PagingList;
 import org.codelibs.fess.dict.DictionaryManager;
 import org.codelibs.fess.dict.protwords.ProtwordsFile;
 import org.codelibs.fess.dict.protwords.ProtwordsItem;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.dbflute.optional.OptionalEntity;
 
 public class ProtwordsService {
     @Resource
     protected DictionaryManager dictionaryManager;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     public List<ProtwordsItem> getProtwordsList(final String dictId, final ProtwordsPager protwordsPager) {
         return getProtwordsFile(dictId).map(
                 file -> {
@@ -42,7 +46,7 @@ public class ProtwordsService {
 
                     // update pager
                     BeanUtil.copyBeanToBean(protwordsList, protwordsPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-                    protwordsList.setPageRangeSize(5);
+                    protwordsList.setPageRangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
                     protwordsPager.setPageNumberList(protwordsList.createPageNumberList());
 
                     return (List<ProtwordsItem>) protwordsList;
diff --git a/src/main/java/org/codelibs/fess/app/service/RequestHeaderService.java b/src/main/java/org/codelibs/fess/app/service/RequestHeaderService.java
index 1c3b9be2b..f932b49f6 100644
--- a/src/main/java/org/codelibs/fess/app/service/RequestHeaderService.java
+++ b/src/main/java/org/codelibs/fess/app/service/RequestHeaderService.java
@@ -47,7 +47,7 @@ public class RequestHeaderService {
         // update pager
         BeanUtil.copyBeanToBean(requestHeaderList, requestHeaderPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         requestHeaderPager.setPageNumberList(requestHeaderList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return requestHeaderList;
diff --git a/src/main/java/org/codelibs/fess/app/service/RoleService.java b/src/main/java/org/codelibs/fess/app/service/RoleService.java
index 0903f977d..93ba6d3cf 100644
--- a/src/main/java/org/codelibs/fess/app/service/RoleService.java
+++ b/src/main/java/org/codelibs/fess/app/service/RoleService.java
@@ -54,7 +54,7 @@ public class RoleService {
         // update pager
         BeanUtil.copyBeanToBean(roleList, rolePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         rolePager.setPageNumberList(roleList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return roleList;
diff --git a/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java b/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java
index 2c7bd22c6..1de3630c0 100644
--- a/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java
+++ b/src/main/java/org/codelibs/fess/app/service/RoleTypeService.java
@@ -47,7 +47,7 @@ public class RoleTypeService {
         // update pager
         BeanUtil.copyBeanToBean(roleTypeList, roleTypePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         roleTypePager.setPageNumberList(roleTypeList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return roleTypeList;
diff --git a/src/main/java/org/codelibs/fess/app/service/ScheduledJobService.java b/src/main/java/org/codelibs/fess/app/service/ScheduledJobService.java
index 250c40c59..0cd51fef4 100644
--- a/src/main/java/org/codelibs/fess/app/service/ScheduledJobService.java
+++ b/src/main/java/org/codelibs/fess/app/service/ScheduledJobService.java
@@ -53,7 +53,7 @@ public class ScheduledJobService {
         // update pager
         BeanUtil.copyBeanToBean(scheduledJobList, scheduledJobPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         scheduledJobPager.setPageNumberList(scheduledJobList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return scheduledJobList;
diff --git a/src/main/java/org/codelibs/fess/app/service/SeunjeonService.java b/src/main/java/org/codelibs/fess/app/service/SeunjeonService.java
index 40b4761fc..f96d8c4c3 100644
--- a/src/main/java/org/codelibs/fess/app/service/SeunjeonService.java
+++ b/src/main/java/org/codelibs/fess/app/service/SeunjeonService.java
@@ -27,12 +27,16 @@ import org.codelibs.fess.dict.DictionaryFile.PagingList;
 import org.codelibs.fess.dict.DictionaryManager;
 import org.codelibs.fess.dict.seunjeon.SeunjeonFile;
 import org.codelibs.fess.dict.seunjeon.SeunjeonItem;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.dbflute.optional.OptionalEntity;
 
 public class SeunjeonService {
     @Resource
     protected DictionaryManager dictionaryManager;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     public List<SeunjeonItem> getSeunjeonList(final String dictId, final SeunjeonPager seunjeonPager) {
         return getSeunjeonFile(dictId).map(file -> {
             final int pageSize = seunjeonPager.getPageSize();
@@ -40,7 +44,7 @@ public class SeunjeonService {
 
             // update pager
                 BeanUtil.copyBeanToBean(seunjeonList, seunjeonPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-                seunjeonList.setPageRangeSize(5);
+                seunjeonList.setPageRangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
                 seunjeonPager.setPageNumberList(seunjeonList.createPageNumberList());
 
                 return (List<SeunjeonItem>) seunjeonList;
diff --git a/src/main/java/org/codelibs/fess/app/service/SynonymService.java b/src/main/java/org/codelibs/fess/app/service/SynonymService.java
index c484244f7..69df569ce 100644
--- a/src/main/java/org/codelibs/fess/app/service/SynonymService.java
+++ b/src/main/java/org/codelibs/fess/app/service/SynonymService.java
@@ -27,12 +27,16 @@ import org.codelibs.fess.dict.DictionaryFile.PagingList;
 import org.codelibs.fess.dict.DictionaryManager;
 import org.codelibs.fess.dict.synonym.SynonymFile;
 import org.codelibs.fess.dict.synonym.SynonymItem;
+import org.codelibs.fess.mylasta.direction.FessConfig;
 import org.dbflute.optional.OptionalEntity;
 
 public class SynonymService {
     @Resource
     protected DictionaryManager dictionaryManager;
 
+    @Resource
+    protected FessConfig fessConfig;
+
     public List<SynonymItem> getSynonymList(final String dictId, final SynonymPager synonymPager) {
         return getSynonymFile(dictId).map(file -> {
             final int pageSize = synonymPager.getPageSize();
@@ -40,7 +44,7 @@ public class SynonymService {
 
             // update pager
                 BeanUtil.copyBeanToBean(synonymList, synonymPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
-                synonymList.setPageRangeSize(5);
+                synonymList.setPageRangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
                 synonymPager.setPageNumberList(synonymList.createPageNumberList());
 
                 return (List<SynonymItem>) synonymList;
diff --git a/src/main/java/org/codelibs/fess/app/service/UserService.java b/src/main/java/org/codelibs/fess/app/service/UserService.java
index d4c4529b8..8b46ee04e 100644
--- a/src/main/java/org/codelibs/fess/app/service/UserService.java
+++ b/src/main/java/org/codelibs/fess/app/service/UserService.java
@@ -54,7 +54,7 @@ public class UserService {
         // update pager
         BeanUtil.copyBeanToBean(userList, userPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         userPager.setPageNumberList(userList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return userList;
diff --git a/src/main/java/org/codelibs/fess/app/service/WebAuthenticationService.java b/src/main/java/org/codelibs/fess/app/service/WebAuthenticationService.java
index c2c8087bc..20e8eced2 100644
--- a/src/main/java/org/codelibs/fess/app/service/WebAuthenticationService.java
+++ b/src/main/java/org/codelibs/fess/app/service/WebAuthenticationService.java
@@ -47,7 +47,7 @@ public class WebAuthenticationService {
         // update pager
         BeanUtil.copyBeanToBean(webAuthenticationList, webAuthenticationPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         webAuthenticationPager.setPageNumberList(webAuthenticationList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return webAuthenticationList;
diff --git a/src/main/java/org/codelibs/fess/app/service/WebConfigService.java b/src/main/java/org/codelibs/fess/app/service/WebConfigService.java
index 316ff819f..af723285e 100644
--- a/src/main/java/org/codelibs/fess/app/service/WebConfigService.java
+++ b/src/main/java/org/codelibs/fess/app/service/WebConfigService.java
@@ -61,7 +61,7 @@ public class WebConfigService {
         // update pager
         BeanUtil.copyBeanToBean(webConfigList, webConfigPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
         webConfigPager.setPageNumberList(webConfigList.pageRange(op -> {
-            op.rangeSize(5);
+            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
         }).createPageNumberList());
 
         return webConfigList;
diff --git a/src/main/resources/fess_config.properties b/src/main/resources/fess_config.properties
index 37bc3773a..ce61b876f 100644
--- a/src/main/resources/fess_config.properties
+++ b/src/main/resources/fess_config.properties
@@ -315,10 +315,10 @@ cookie.remember.me.harbor.key = FES
 #                                                     Paging
 #                                                     ------
 # The size of one page for paging
-paging.page.size = 4
+paging.page.size = 25
 
 # The size of page range for paging
-paging.page.range.size = 3
+paging.page.range.size = 5
 
 # The option 'fillLimit' of page range for paging
 paging.page.range.fill.limit = true