diff --git a/src/main/java/org/codelibs/fess/helper/LabelTypeHelper.java b/src/main/java/org/codelibs/fess/helper/LabelTypeHelper.java
index 069568576..392a160e2 100644
--- a/src/main/java/org/codelibs/fess/helper/LabelTypeHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/LabelTypeHelper.java
@@ -54,9 +54,10 @@ public class LabelTypeHelper {
         update();
     }
 
-    public void update() {
+    public int update() {
         final List<LabelType> labelTypeList = ComponentUtil.getComponent(LabelTypeService.class).getLabelTypeList();
         buildLabelTypeItems(labelTypeList);
+        return labelTypeList.size();
     }
 
     public void refresh(final List<LabelType> labelTypeList) {
diff --git a/src/main/java/org/codelibs/fess/helper/PathMappingHelper.java b/src/main/java/org/codelibs/fess/helper/PathMappingHelper.java
index 65626529c..958472e9f 100644
--- a/src/main/java/org/codelibs/fess/helper/PathMappingHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/PathMappingHelper.java
@@ -46,7 +46,7 @@ public class PathMappingHelper {
         update();
     }
 
-    public void update() {
+    public int update() {
         final List<String> ptList = new ArrayList<>();
         ptList.add(Constants.PROCESS_TYPE_DISPLAYING);
         ptList.add(Constants.PROCESS_TYPE_BOTH);
@@ -58,9 +58,11 @@ public class PathMappingHelper {
                 cb.query().setProcessType_InScope(ptList);
                 cb.fetchFirst(ComponentUtil.getFessConfig().getPagePathMappingMaxFetchSizeAsInteger());
             });
+            return cachedPathMappingList.size();
         } catch (final Exception e) {
             logger.warn("Failed to load path mappings.", e);
         }
+        return 0;
     }
 
     public void setPathMappingList(final String sessionId, final List<PathMapping> pathMappingList) {
diff --git a/src/main/java/org/codelibs/fess/helper/RelatedContentHelper.java b/src/main/java/org/codelibs/fess/helper/RelatedContentHelper.java
index b7908c441..387664591 100644
--- a/src/main/java/org/codelibs/fess/helper/RelatedContentHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/RelatedContentHelper.java
@@ -49,8 +49,8 @@ public class RelatedContentHelper {
         reload();
     }
 
-    public void update() {
-        reload();
+    public int update() {
+        return reload();
     }
 
     public List<RelatedContent> getAvailableRelatedContentList() {
@@ -63,7 +63,7 @@ public class RelatedContentHelper {
         });
     }
 
-    protected void reload() {
+    protected int reload() {
         final Map<String, Pair<Map<String, String>, List<Pair<Pattern, String>>>> relatedContentMap = new HashMap<>();
         getAvailableRelatedContentList().stream().forEach(entity -> {
             final String key = getHostKey(entity);
@@ -84,6 +84,7 @@ public class RelatedContentHelper {
             }
         });
         this.relatedContentMap = relatedContentMap;
+        return relatedContentMap.size();
     }
 
     protected String getHostKey(final RelatedContent entity) {
diff --git a/src/main/java/org/codelibs/fess/helper/RelatedQueryHelper.java b/src/main/java/org/codelibs/fess/helper/RelatedQueryHelper.java
index a32e7cce6..bdd0909f6 100644
--- a/src/main/java/org/codelibs/fess/helper/RelatedQueryHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/RelatedQueryHelper.java
@@ -38,8 +38,8 @@ public class RelatedQueryHelper {
         reload();
     }
 
-    public void update() {
-        reload();
+    public int update() {
+        return reload();
     }
 
     public List<RelatedQuery> getAvailableRelatedQueryList() {
@@ -51,7 +51,7 @@ public class RelatedQueryHelper {
         });
     }
 
-    protected void reload() {
+    protected int reload() {
         final Map<String, Map<String, String[]>> relatedQueryMap = new HashMap<>();
         getAvailableRelatedQueryList().stream().forEach(entity -> {
             final String key = getHostKey(entity);
@@ -63,6 +63,7 @@ public class RelatedQueryHelper {
             map.put(toLowerCase(entity.getTerm()), entity.getQueries());
         });
         this.relatedQueryMap = relatedQueryMap;
+        return relatedQueryMap.size();
     }
 
     protected String getHostKey(final RelatedQuery entity) {
diff --git a/src/main/java/org/codelibs/fess/helper/SystemHelper.java b/src/main/java/org/codelibs/fess/helper/SystemHelper.java
index d075ece51..a7c558267 100644
--- a/src/main/java/org/codelibs/fess/helper/SystemHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/SystemHelper.java
@@ -355,11 +355,13 @@ public class SystemHelper {
         ComponentUtil.getRelatedQueryHelper().update();
     }
 
-    public void updateConfiguration() {
-        ComponentUtil.getLabelTypeHelper().update();
-        ComponentUtil.getPathMappingHelper().update();
-        ComponentUtil.getRelatedContentHelper().update();
-        ComponentUtil.getRelatedQueryHelper().update();
+    public String updateConfiguration() {
+        final StringBuilder buf = new StringBuilder();
+        buf.append("Label: ").append(ComponentUtil.getLabelTypeHelper().update()).append("\n");
+        buf.append("PathMapping: ").append(ComponentUtil.getPathMappingHelper().update()).append("\n");
+        buf.append("RelatedContent: ").append(ComponentUtil.getRelatedContentHelper().update()).append("\n");
+        buf.append("RelatedQuery: ").append(ComponentUtil.getRelatedQueryHelper().update()).append("\n");
+        return buf.toString();
     }
 
     public String generateAccessToken() {