From 03331c596d4b6202387486d8b5b06ff4b2b5d0e2 Mon Sep 17 00:00:00 2001
From: 钟日健 <5689795+arsn@user.noreply.gitee.com>
Date: Wed, 09 Mar 2022 10:45:39 +0800
Subject: [PATCH] 保安员新增角色id 修改

---
 src/main/java/org/springblade/modules/trar/controller/TrarController.java |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/springblade/modules/trar/controller/TrarController.java b/src/main/java/org/springblade/modules/trar/controller/TrarController.java
index 39b00be..35c85cb 100644
--- a/src/main/java/org/springblade/modules/trar/controller/TrarController.java
+++ b/src/main/java/org/springblade/modules/trar/controller/TrarController.java
@@ -157,8 +157,12 @@
 			String wd = list.get(i).getWd();
 			url+=jd+" "+wd+",";
 		}
-		String substring = url.substring(0, url.length() - 1);
-		String s = begin + substring + end;
+
+		String s = "";
+		if (url.length() > 0){
+			String substring = url.substring(0, url.length() - 1);
+			s = begin + substring + end;
+		}
 		System.out.println(s);
 		return s;
 	}

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