diff --git a/src/main/java/jp/sf/fess/action/admin/SystemInfoAction.java b/src/main/java/jp/sf/fess/action/admin/SystemInfoAction.java
index 4d4d2d10e..90038f127 100644
--- a/src/main/java/jp/sf/fess/action/admin/SystemInfoAction.java
+++ b/src/main/java/jp/sf/fess/action/admin/SystemInfoAction.java
@@ -32,8 +32,12 @@ import org.codelibs.core.util.DynamicProperties;
 import org.codelibs.core.util.StringUtil;
 import org.seasar.struts.annotation.ActionForm;
 import org.seasar.struts.annotation.Execute;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class SystemInfoAction implements Serializable {
+    private static final Logger logger = LoggerFactory
+            .getLogger(CrawlAction.class);
 
     private static final long serialVersionUID = 1L;
 
@@ -75,6 +79,45 @@ public class SystemInfoAction implements Serializable {
             propItems.add(createItem(entry.getKey(), entry.getValue()));
         }
 
+        if (crawlerProperties.isEmpty()) {
+            crawlerProperties.setProperty(Constants.DIFF_CRAWLING_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.USE_ACL_AS_ROLE, Constants.FALSE);
+            crawlerProperties.setProperty(Constants.SERVER_ROTATION_PROPERTY, Constants.FALSE);
+            crawlerProperties.setProperty(Constants.DAY_FOR_CLEANUP_PROPERTY, "1");
+            crawlerProperties.setProperty(Constants.CRAWLING_THREAD_COUNT_PROPERTY, "5");
+            crawlerProperties.setProperty(Constants.SEARCH_LOG_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.USER_INFO_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.USER_FAVORITE_PROPERTY, Constants.FALSE);
+            crawlerProperties.setProperty(Constants.WEB_API_XML_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.WEB_API_JSON_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.DEFAULT_LABEL_VALUE_PROPERTY, StringUtil.EMPTY);
+            crawlerProperties.setProperty(Constants.APPEND_QUERY_PARAMETER_PROPERTY, Constants.FALSE);
+            crawlerProperties.setProperty(Constants.SUPPORTED_SEARCH_FEATURE_PROPERTY,
+                    Constants.SUPPORTED_SEARCH_WEB);
+            crawlerProperties.setProperty(Constants.IGNORE_FAILURE_TYPE_PROPERTY,
+                    Constants.DEFAULT_IGNORE_FAILURE_TYPE);
+            crawlerProperties.setProperty(Constants.FAILURE_COUNT_THRESHOLD_PROPERTY,
+                    Constants.DEFAULT_FAILURE_COUNT);
+            crawlerProperties.setProperty(Constants.WEB_API_HOT_SEARCH_WORD_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.CSV_FILE_ENCODING_PROPERTY, Constants.UTF_8);
+            crawlerProperties.setProperty(Constants.PURGE_SEARCH_LOG_DAY_PROPERTY,
+                    Constants.DEFAULT_PURGE_DAY);
+            crawlerProperties.setProperty(Constants.PURGE_JOB_LOG_DAY_PROPERTY,
+                    Constants.DEFAULT_PURGE_DAY);
+            crawlerProperties.setProperty(Constants.PURGE_USER_INFO_DAY_PROPERTY,
+                    Constants.DEFAULT_PURGE_DAY);
+            crawlerProperties.setProperty(Constants.PURGE_BY_BOTS_PROPERTY,
+                    Constants.DEFAULT_PURGE_BY_BOTS);
+            crawlerProperties.setProperty(Constants.NOTIFICATION_TO_PROPERTY, StringUtil.EMPTY);
+            crawlerProperties.setProperty(Constants.SUGGEST_SEARCH_LOG_PROPERTY, Constants.TRUE);
+            crawlerProperties.setProperty(Constants.PURGE_SUGGEST_SEARCH_LOG_DAY_PROPERTY, "30");
+            try {
+                crawlerProperties.store();
+            } catch (final Exception e) {
+                logger.error("Failed to initialize crawler parameters.", e);
+            }
+        }
+
         for (final Map.Entry<Object, Object> entry : crawlerProperties
                 .entrySet()) {
             fessPropItems.add(createItem(entry.getKey(), entry.getValue()));