diff --git a/designer_base/src/com/fr/design/extra/PluginOperateUtils.java b/designer_base/src/com/fr/design/extra/PluginOperateUtils.java
index 960212a26f..5ce0852c8e 100644
--- a/designer_base/src/com/fr/design/extra/PluginOperateUtils.java
+++ b/designer_base/src/com/fr/design/extra/PluginOperateUtils.java
@@ -112,7 +112,7 @@ public class PluginOperateUtils {
         String plistUrl = SiteCenter.getInstance().acquireUrlByKind("shop.plugin.feature");
         JSONArray resultArray = JSONArray.create();
         try {
-            HttpClient httpClient = new HttpClient(plistUrl.toString());
+            HttpClient httpClient = new HttpClient(plistUrl);
             String result = httpClient.getResponseText();
             JSONArray jsonArray = new JSONArray(result);
             resultArray = PluginUtils.filterPluginsFromVersion(jsonArray);
@@ -126,7 +126,7 @@ public class PluginOperateUtils {
         if (StringUtils.isNotBlank(category)) {
             url.append("cid=").append(category.split("-")[1]);
         } else {
-            url.append("cid=").append("");
+            url.append("cid=").append(StringUtils.EMPTY);
         }
         if (StringUtils.isNotBlank(seller)) {
             switch (seller.split("-")[1]) {
@@ -137,7 +137,7 @@ public class PluginOperateUtils {
                     url.append("&seller=").append(2);
                     break;
                 default:
-                    url.append("&seller=").append("");
+                    url.append("&seller=").append(StringUtils.EMPTY);
             }
         }
         if (StringUtils.isNotBlank(fee)) {
@@ -149,7 +149,7 @@ public class PluginOperateUtils {
                     url.append("&fee=").append(2);
                     break;
                 default:
-                    url.append("&fee=").append("");
+                    url.append("&fee=").append(StringUtils.EMPTY);
             }
         }
     }
@@ -157,11 +157,11 @@ public class PluginOperateUtils {
     public static void getLoginInfo(JSCallback jsCallback, UILabel uiLabel) {
         String username = ConfigManager.getProviderInstance().getBbsUsername();
         if (StringUtils.isEmpty(username)) {
-            jsCallback.execute("");
+            jsCallback.execute(StringUtils.EMPTY);
             uiLabel.setText(Inter.getLocText("FR-Base_UnSignIn"));
         } else {
             uiLabel.setText(username);
-            String result =  username;
+            String result = username;
             jsCallback.execute(result);
         }
     }
@@ -177,11 +177,11 @@ public class PluginOperateUtils {
         StringBuilder pluginInfo = new StringBuilder();
         List<PluginTaskResult> pluginTaskResults = result.asList();
         for (PluginTaskResult pluginTaskResult : pluginTaskResults) {
-            if(pluginInfo.length() != 0){
+            if (pluginInfo.length() != 0) {
                 pluginInfo.append("\n");
             }
             PluginTask pluginTask = pluginTaskResult.getCurrentTask();
-            if(pluginTask == null){
+            if (pluginTask == null) {
                 pluginInfo.append(PluginUtils.getMessageByErrorCode(pluginTaskResult.errorCode()));
                 continue;
             }
@@ -189,7 +189,7 @@ public class PluginOperateUtils {
             PluginContext pluginContext = PluginManager.getContext(pluginMarker);
             if (pluginContext != null) {
                 pluginInfo.append(pluginContext.getName()).append(PluginUtils.getMessageByErrorCode(pluginTaskResult.errorCode()));
-            }else{
+            } else {
                 pluginInfo.append(pluginMarker.getPluginID()).append(PluginUtils.getMessageByErrorCode(pluginTaskResult.errorCode()));
             }
         }
@@ -197,5 +197,4 @@ public class PluginOperateUtils {
     }
 
 
-
 }
diff --git a/designer_base/src/com/fr/design/extra/PluginTask.java b/designer_base/src/com/fr/design/extra/PluginTask.java
index b3cedd98a9..1afe542bba 100644
--- a/designer_base/src/com/fr/design/extra/PluginTask.java
+++ b/designer_base/src/com/fr/design/extra/PluginTask.java
@@ -95,7 +95,7 @@ public class PluginTask<T> extends Task<T> {
         String regHtml = "<[^>]+>";
         Pattern patternHtml = Pattern.compile(regHtml, Pattern.CASE_INSENSITIVE);
         Matcher matchHtml = patternHtml.matcher(origin);
-        origin = matchHtml.replaceAll("");
+        origin = matchHtml.replaceAll(StringUtils.EMPTY);
         return origin;
     }
 
diff --git a/designer_base/src/com/fr/design/extra/PluginWebBridge.java b/designer_base/src/com/fr/design/extra/PluginWebBridge.java
index 919db379e0..8f40280b1f 100644
--- a/designer_base/src/com/fr/design/extra/PluginWebBridge.java
+++ b/designer_base/src/com/fr/design/extra/PluginWebBridge.java
@@ -11,7 +11,7 @@ import com.fr.design.extra.exe.PluginLoginExecutor;
 import com.fr.design.extra.exe.ReadUpdateOnlineExecutor;
 import com.fr.design.extra.exe.SearchOnlineExecutor;
 import com.fr.design.extra.exe.callback.JSCallback;
-import com.fr.design.extra.exe.getPluginPrefixExecutor;
+import com.fr.design.extra.exe.GetPluginPrefixExecutor;
 import com.fr.design.gui.ilable.UILabel;
 import com.fr.general.FRLogger;
 import com.fr.general.Inter;
@@ -337,7 +337,7 @@ public class PluginWebBridge {
 
 
     public void getPluginPrefix(final JSObject callback) {
-        Task<Void> task = new PluginTask<>(webEngine, callback, new getPluginPrefixExecutor());
+        Task<Void> task = new PluginTask<>(webEngine, callback, new GetPluginPrefixExecutor());
         threadPoolExecutor.submit(task);
     }
 
@@ -549,7 +549,7 @@ public class PluginWebBridge {
      * 初始化设计器部分
      */
     public void initExtraDiff(final JSObject callback) {
-
+        //todo  初始化设计器其他部分
     }
 
     /**
diff --git a/designer_base/src/com/fr/design/extra/exe/getPluginPrefixExecutor.java b/designer_base/src/com/fr/design/extra/exe/GetPluginPrefixExecutor.java
similarity index 93%
rename from designer_base/src/com/fr/design/extra/exe/getPluginPrefixExecutor.java
rename to designer_base/src/com/fr/design/extra/exe/GetPluginPrefixExecutor.java
index b40b9fdff1..31b4e2d3f4 100644
--- a/designer_base/src/com/fr/design/extra/exe/getPluginPrefixExecutor.java
+++ b/designer_base/src/com/fr/design/extra/exe/GetPluginPrefixExecutor.java
@@ -7,7 +7,7 @@ import com.fr.stable.StringUtils;
 /**
  * Created by kerry on 2017/11/3.
  */
-public class getPluginPrefixExecutor implements Executor {
+public class GetPluginPrefixExecutor implements Executor {
     private String result = StringUtils.EMPTY;
 
     @Override
diff --git a/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java b/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java
index ee7a5b1c2d..d01446ee01 100644
--- a/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java
+++ b/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java
@@ -63,7 +63,7 @@ public class JSCallback {
     private String trimText(String old) {
         if (StringUtils.isNotBlank(old)) {
             String b = filterHtmlTag(old);
-            return b.replaceAll("\\\\n", "").replaceAll("\\\\t", "").replaceAll("\"", "\\\\\"").replaceAll("\'", "\\\\\'").replaceAll("\\\\\\\\", "\\\\\\\\\\\\");
+            return b.replaceAll("\\\\n", StringUtils.EMPTY).replaceAll("\\\\t", StringUtils.EMPTY).replaceAll("\"", "\\\\\"").replaceAll("\'", "\\\\\'").replaceAll("\\\\\\\\", "\\\\\\\\\\\\");
         }
         return StringUtils.EMPTY;
     }
@@ -77,7 +77,7 @@ public class JSCallback {
         String regHtml = "<[^>]+>";
         Pattern patternHtml = Pattern.compile(regHtml, Pattern.CASE_INSENSITIVE);
         Matcher matchHtml = patternHtml.matcher(origin);
-        origin = matchHtml.replaceAll("");
+        origin = matchHtml.replaceAll(StringUtils.EMPTY);
         return origin;
     }