diff --git a/designer-base/src/main/java/com/fr/design/gui/itree/filetree/FileNodeConstants.java b/designer-base/src/main/java/com/fr/design/gui/itree/filetree/FileNodeConstants.java
index a6757ee2b..f9870e3c3 100644
--- a/designer-base/src/main/java/com/fr/design/gui/itree/filetree/FileNodeConstants.java
+++ b/designer-base/src/main/java/com/fr/design/gui/itree/filetree/FileNodeConstants.java
@@ -20,9 +20,13 @@ import java.util.Set;
  */
 public class FileNodeConstants {
 
-    private static List<String> supportFileType = new ArrayList<String>(Arrays.asList(FRContext.getFileNodes().getSupportedTypes()));
+    private static List<String> supportFileType;
+
+    private FileNodeConstants(){}
 
     static {
+        initSupportedTypes();
+
         GeneralContext.listenPluginRunningChanged(new PluginEventListener() {
             @Override
             public void on(PluginEvent pluginEvent) {
@@ -49,6 +53,15 @@ public class FileNodeConstants {
         }
     }
 
+    private static void initSupportedTypes() {
+        supportFileType = new ArrayList<String>(Arrays.asList(FRContext.getFileNodes().getSupportedTypes()));
+        //通过插件扩展的
+        Set<App> apps = ExtraDesignClassManager.getInstance().getArray(App.MARK_STRING);
+        for (App app : apps) {
+            addAppExtensions(app.defaultExtensions());
+        }
+    }
+
     public static String[] getSupportFileTypes() {
         return supportFileType.toArray(new String[0]);
     }