diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/ActionSearchManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/ActionSearchManager.java
index 0956fbc185..75c9c6dd05 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/ActionSearchManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/ActionSearchManager.java
@@ -22,16 +22,18 @@ import java.util.List;
  * Created by XiaXiang on 2017/3/27.
  */
 public class ActionSearchManager implements AlphaFineSearchProvider {
-    private static ActionSearchManager actionSearchManager = null;
+    private static ActionSearchManager instance;
     private SearchResult filterModelList;
     private SearchResult lessModelList;
     private SearchResult moreModelList;
 
-    public synchronized static ActionSearchManager getInstance() {
-        if (actionSearchManager == null) {
-            actionSearchManager = new ActionSearchManager();
+    public static ActionSearchManager getInstance() {
+        synchronized (ActionSearchManager.class) {
+            if (instance == null) {
+                instance = new ActionSearchManager();
+            }
         }
-        return actionSearchManager;
+        return instance;
     }
 
     /**
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/DocumentSearchManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/DocumentSearchManager.java
index 2fa777f038..790481866f 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/DocumentSearchManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/DocumentSearchManager.java
@@ -20,16 +20,17 @@ import com.fr.stable.StringUtils;
  * Created by XiaXiang on 2017/3/27.
  */
 public class DocumentSearchManager implements AlphaFineSearchProvider {
-    private static DocumentSearchManager documentSearchManager = null;
+    private static DocumentSearchManager instance;
     private SearchResult lessModelList;
     private SearchResult moreModelList;
 
-    public synchronized static DocumentSearchManager getInstance() {
-        if (documentSearchManager == null) {
-            documentSearchManager = new DocumentSearchManager();
-
+    public static DocumentSearchManager getInstance() {
+        synchronized (DocumentSearchManager.class) {
+            if (instance == null) {
+                instance = new DocumentSearchManager();
+            }
         }
-        return documentSearchManager;
+        return instance;
     }
 
     /**
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/FileSearchManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/FileSearchManager.java
index 82d98f9622..3cf991736c 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/FileSearchManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/FileSearchManager.java
@@ -35,7 +35,7 @@ public class FileSearchManager implements AlphaFineSearchProvider {
     private static final String DS_NAME = "dsname=\"";
     private static final String FRM_PREFIX = "k:frm ";
     private static final String CPT_PREFIX = "k:cpt ";
-    private static FileSearchManager fileSearchManager = null;
+    private static FileSearchManager fileSearchManager;
     private SearchResult filterModelList;
     private SearchResult lessModelList;
     private SearchResult moreModelList;
@@ -47,15 +47,17 @@ public class FileSearchManager implements AlphaFineSearchProvider {
     private boolean isContainCpt = true;
     private boolean isContainFrm = true;
 
-    public synchronized static FileSearchManager getInstance() {
-        init();
+    public static FileSearchManager getInstance() {
+        synchronized (FileSearchManager.class) {
+            if (fileSearchManager == null) {
+                fileSearchManager = new FileSearchManager();
+            }
+        }
         return fileSearchManager;
     }
 
     public synchronized static void init() {
-        if (fileSearchManager == null) {
-            fileSearchManager = new FileSearchManager();
-        }
+
     }
 
     /**
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/PluginSearchManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/PluginSearchManager.java
index ab3ce080df..7d57066d2e 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/PluginSearchManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/PluginSearchManager.java
@@ -26,16 +26,18 @@ import java.net.URLEncoder;
  * Created by XiaXiang on 2017/3/27.
  */
 public class PluginSearchManager implements AlphaFineSearchProvider {
-    private static PluginSearchManager pluginSearchManager = null;
+    private static PluginSearchManager instance = null;
     private SearchResult lessModelList;
     private SearchResult moreModelList;
 
 
-    public synchronized static PluginSearchManager getInstance() {
-        if (pluginSearchManager == null) {
-            pluginSearchManager = new PluginSearchManager();
+    public static PluginSearchManager getInstance() {
+        synchronized (PluginSearchManager.class) {
+            if (instance == null) {
+                instance = new PluginSearchManager();
+            }
         }
-        return pluginSearchManager;
+        return instance;
 
     }
 
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecentSearchManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecentSearchManager.java
index d9f131f768..c98e097540 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecentSearchManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecentSearchManager.java
@@ -45,7 +45,7 @@ import java.util.List;
  */
 public class RecentSearchManager implements AlphaFineSearchProvider {
     private static final int MAX_SIZE = 3;
-    private static RecentSearchManager recentSearchManager = null;
+    private static RecentSearchManager instance;
     IndexReader indexReader = null;
     IndexSearcher indexSearcher = null;
     //索引存储路径
@@ -59,12 +59,14 @@ public class RecentSearchManager implements AlphaFineSearchProvider {
     private SearchResult recentModelList;
     private SearchResult modelList;
 
-    public synchronized static RecentSearchManager getInstance() {
-        if (recentSearchManager == null) {
-            recentSearchManager = new RecentSearchManager();
-            recentSearchManager.initWriter();
+    public static RecentSearchManager getInstance() {
+        synchronized (RecentSearchManager.class) {
+            if (instance == null) {
+                instance = new RecentSearchManager();
+                instance.initWriter();
+            }
         }
-        return recentSearchManager;
+        return instance;
     }
 
     @Override
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecommendSearchManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecommendSearchManager.java
index 2dc1ee9c0f..8ec194f5b7 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecommendSearchManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/RecommendSearchManager.java
@@ -26,15 +26,17 @@ import java.util.List;
  * Created by XiaXiang on 2017/3/31.
  */
 public class RecommendSearchManager implements AlphaFineSearchProvider {
-    private static RecommendSearchManager recommendSearchManager = null;
+    private static RecommendSearchManager instance;
     private SearchResult modelList;
     private SearchResult recommendModelList;
 
-    public synchronized static RecommendSearchManager getInstance() {
-        if (recommendSearchManager == null) {
-            recommendSearchManager = new RecommendSearchManager();
+    public static RecommendSearchManager getInstance() {
+        synchronized (RecentSearchManager.class) {
+            if (instance == null) {
+                instance = new RecommendSearchManager();
+            }
         }
-        return recommendSearchManager;
+        return instance;
     }
 
     @Override