diff --git a/designer-base/src/main/java/com/fr/design/file/MultiTemplateTabPane.java b/designer-base/src/main/java/com/fr/design/file/MultiTemplateTabPane.java
index af772dc7ec..2bac8fcad0 100644
--- a/designer-base/src/main/java/com/fr/design/file/MultiTemplateTabPane.java
+++ b/designer-base/src/main/java/com/fr/design/file/MultiTemplateTabPane.java
@@ -760,12 +760,11 @@ public class MultiTemplateTabPane extends JComponent {
         checkActualPaintIndex();
     }
 
-
     /**
-     * 由于可能存在宽度为0的tab，所以这边需要重新check下
+     * 先计算出需要补充的tab个数
+     * @return
      */
-    private void checkActualPaintIndex(){
-        //先计算出需要补充的tab个数
+    private int calTabCountComplemented(){
         int a = 0;
         for (int i = minPaintIndex; i <= maxPaintIndex; i++) {
             JTemplate template = openedTemplate.get(i);
@@ -773,37 +772,42 @@ public class MultiTemplateTabPane extends JComponent {
                 a++;
             }
         }
-        if (a == 0){
+        return a;
+    }
+
+
+    /**
+     * 由于可能存在宽度为0的tab，所以这边需要重新check下，先往后补，再往前补
+     */
+    private void checkActualPaintIndex(){
+        int tabCount = calTabCountComplemented();
+        if (tabCount == 0){
             return;
         }
-        //先往后补
         if (maxPaintIndex < openedTemplate.size() - 1) {
             for (int i = maxPaintIndex + 1; i < openedTemplate.size(); i++) {
                 JTemplate template = openedTemplate.get(i);
                 if (showJTemplateTab(template)) {
-                    a--;
+                    tabCount--;
                 }
                 maxPaintIndex++;
-                if (a == 0){
+                if (tabCount == 0){
                     return;
                 }
             }
         }
-
-        //再往前补
         if (minPaintIndex > 0){
             for (int i = minPaintIndex - 1; i >= 0; i--) {
                 JTemplate template = openedTemplate.get(i);
                 if (showJTemplateTab(template)) {
-                    a--;
+                    tabCount--;
                 }
                 minPaintIndex--;
-                if (a == 0){
+                if (tabCount == 0){
                     return;
                 }
             }
         }
-
     }