From a1ddd989400c2c469207e8634321e138dddb51f6 Mon Sep 17 00:00:00 2001
From: "Henry.Wang" <Henry.Wang@fanruan.com>
Date: Fri, 27 Aug 2021 11:19:32 +0800
Subject: [PATCH] =?UTF-8?q?REPORT-58136=20=E8=BF=9C=E7=A8=8B=E8=AE=BE?=
 =?UTF-8?q?=E8=AE=A1=E6=97=A0=E6=B3=95=E6=96=B0=E5=BB=BA=E5=86=B3=E7=AD=96?=
 =?UTF-8?q?=E6=8A=A5=E8=A1=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/java/com/fr/design/mainframe/JTemplateNameHelper.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/designer-base/src/main/java/com/fr/design/mainframe/JTemplateNameHelper.java b/designer-base/src/main/java/com/fr/design/mainframe/JTemplateNameHelper.java
index 4e201a5ef..22d5985ba 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/JTemplateNameHelper.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/JTemplateNameHelper.java
@@ -53,6 +53,9 @@ public class JTemplateNameHelper {
      * @Date 2021/4/9 11:13
      **/
     private static Integer getFileNameIndex(String prefix, String fileName) {
+		if (fileName.length() <= prefix.length()) {
+            return null;
+        }
         char[] chars = new char[fileName.length()];
         int i = 0;
         for (; i < fileName.length(); i++) {