diff --git a/designer-base/src/main/java/com/fr/design/fun/ConnectionProvider.java b/designer-base/src/main/java/com/fr/design/fun/ConnectionProvider.java
index 766f7d414..8e5aed5b8 100644
--- a/designer-base/src/main/java/com/fr/design/fun/ConnectionProvider.java
+++ b/designer-base/src/main/java/com/fr/design/fun/ConnectionProvider.java
@@ -10,32 +10,36 @@ import com.fr.stable.fun.mark.Mutable;
  */
 public interface ConnectionProvider extends Mutable {
 
-    public static final String XML_TAG = "ConnectionProvider";
+    String XML_TAG = "ConnectionProvider";
 
     // 2016-12-14 1 -> 2 , 增加connection.feature方法导致不兼容.
     int CURRENT_LEVEL = 2;
 
     /**
      * 数据连接弹出菜单的名字
+     *
      * @return 名字
      */
-    public String nameForConnection();
+    String nameForConnection();
 
     /**
      * 数据连接弹出菜单的图标
+     *
      * @return 图标路径
      */
-    public String iconPathForConnection();
+    String iconPathForConnection();
 
     /**
      * 数据连接的类型
+     *
      * @return 连接类型
      */
-    public Class<? extends com.fr.data.impl.Connection> classForConnection();
+    Class<? extends com.fr.data.impl.Connection> classForConnection();
 
     /**
      * 数据连接的设计界面
+     *
      * @return 设计界面
      */
-    public Class<? extends BasicBeanPane<? extends Connection>> appearanceForConnection();
+    Class<? extends BasicBeanPane<? extends Connection>> appearanceForConnection();
 }
\ No newline at end of file