diff --git a/designer-base/src/main/java/com/fr/file/FILEChooserPane.java b/designer-base/src/main/java/com/fr/file/FILEChooserPane.java
index 5ea393ba64..299c29dc69 100644
--- a/designer-base/src/main/java/com/fr/file/FILEChooserPane.java
+++ b/designer-base/src/main/java/com/fr/file/FILEChooserPane.java
@@ -3,6 +3,7 @@ package com.fr.file;
 import com.fr.base.BaseUtils;
 import com.fr.base.FRContext;
 import com.fr.base.extension.FileExtension;
+import com.fr.decision.web.constant.DecCst;
 import com.fr.design.DesignerEnvManager;
 import com.fr.design.ExtraDesignClassManager;
 import com.fr.design.actions.UpdateAction;
@@ -644,7 +645,7 @@ public class FILEChooserPane extends BasicPane {
         this.suffix = suffix;
 
         if (!text.endsWith(suffix)) {
-            text = text + suffix;
+            text = removeSuffix(text) + suffix;
         }
         fileNameTextField.removeDocumentListener();
         fileNameTextField.setText(text);
@@ -660,6 +661,14 @@ public class FILEChooserPane extends BasicPane {
         fileNameTextField.setFilter(new DefaultCompletionFilter(names));
     }
 
+    /**
+     * 移除文件后缀的方法
+     * 解决cptx文件的另存为操作默认会出现双后缀的bug(xxx.cptx.cpt)
+     **/
+    private String removeSuffix(String text){
+        return FileExtension.CPTX.matchExtension(text) ? text.substring(0, text.length() - FileExtension.CPTX.getSuffix().length()) : text;
+    }
+
 
     /**
      * 打开对话框