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
new file mode 100644
index 0000000000..3bde026a25
--- /dev/null
+++ b/designer-base/src/main/java/com/fr/design/gui/itree/filetree/FileNodeConstants.java
@@ -0,0 +1,27 @@
+package com.fr.design.gui.itree.filetree;
+
+import com.fr.base.FRContext;
+import com.fr.design.ExtraDesignClassManager;
+import com.fr.design.mainframe.App;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Created by alex sung on 2019/7/23.
+ */
+public class FileNodeConstants {
+    public static String[] SUPPORT_FILE_TYPES;
+
+    static {
+        List<String> supportFileType = new ArrayList<>(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){
+            supportFileType.addAll(Arrays.asList(app.defaultExtensions()));
+        }
+        SUPPORT_FILE_TYPES = supportFileType.toArray(new String[0]);
+    }
+}
diff --git a/designer-base/src/main/java/com/fr/design/gui/itree/filetree/TemplateFileTree.java b/designer-base/src/main/java/com/fr/design/gui/itree/filetree/TemplateFileTree.java
index 51af636aa2..b722cd44a4 100644
--- a/designer-base/src/main/java/com/fr/design/gui/itree/filetree/TemplateFileTree.java
+++ b/designer-base/src/main/java/com/fr/design/gui/itree/filetree/TemplateFileTree.java
@@ -228,7 +228,7 @@ public class TemplateFileTree extends EnvFileTree {
         if (fileNodes == null) {
             fileNodes = new FileNode[0];
         }
-        Arrays.sort(fileNodes, new FileNodeComparator(FRContext.getFileNodes().getSupportedTypes()));
+        Arrays.sort(fileNodes, new FileNodeComparator(FileNodeConstants.SUPPORT_FILE_TYPES));
 
         return fileNodes;
     }
diff --git a/designer-base/src/test/java/com/fr/design/gui/itree/filetree/FileNodeConstantsTest.java b/designer-base/src/test/java/com/fr/design/gui/itree/filetree/FileNodeConstantsTest.java
new file mode 100644
index 0000000000..67f0824567
--- /dev/null
+++ b/designer-base/src/test/java/com/fr/design/gui/itree/filetree/FileNodeConstantsTest.java
@@ -0,0 +1,51 @@
+package com.fr.design.gui.itree.filetree;
+
+import com.fr.base.extension.FileExtension;
+import com.fr.base.io.BaseBook;
+import com.fr.design.ExtraDesignClassManager;
+import com.fr.design.mainframe.AbstractAppProvider;
+import com.fr.design.mainframe.App;
+import com.fr.design.mainframe.JTemplate;
+import com.fr.file.FILE;
+import com.fr.stable.fun.mark.Mutable;
+import org.easymock.EasyMock;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Created by alex sung on 2019/7/25.
+ */
+public class FileNodeConstantsTest {
+    @Test
+    public void supportFileTypesTest(){
+        ExtraDesignClassManager extra = EasyMock.mock(ExtraDesignClassManager.class);
+        Set<Mutable> apps = new HashSet<Mutable>(){{add(new MockCptxApp());}};
+        EasyMock.expect(extra.getArray(App.MARK_STRING)).andReturn(apps).anyTimes();
+        EasyMock.replay(extra);
+
+        Assert.assertEquals(1, extra.getArray(App.MARK_STRING).size());
+        App app = (App) extra.getArray(App.MARK_STRING).iterator().next();
+        Assert.assertEquals("cptx", app.defaultExtensions()[0]);
+    }
+
+    private class MockCptxApp extends AbstractAppProvider{
+        @Override
+        public String[] defaultExtensions() {
+            return new String[] {FileExtension.CPTX.getExtension()};
+        }
+
+        @Override
+        public JTemplate openTemplate(FILE tplFile) {
+            return null;
+        }
+
+        @Override
+        public BaseBook asIOFile(FILE tplFile) {
+            return null;
+        }
+    }
+
+}