From eddbe49f2d54ba6fb0a5548fe4efe7f12c83acfa Mon Sep 17 00:00:00 2001
From: zengh <123456>
Date: Tue, 25 Jan 2022 10:44:29 +0800
Subject: [PATCH] 问题修复

---
 src/main/java/org/springblade/modules/words/DemoApplication.java |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/src/main/java/org/springblade/modules/words/DemoApplication.java b/src/main/java/org/springblade/modules/words/DemoApplication.java
index 7fbca04..dd758a3 100644
--- a/src/main/java/org/springblade/modules/words/DemoApplication.java
+++ b/src/main/java/org/springblade/modules/words/DemoApplication.java
@@ -102,8 +102,13 @@
 		for (int i = 0; i < all.size(); i++) {
 			text += all.get(i) + ",";
 		}
+		String words = "";
+		if(!text.equals("")){
+			words = text.substring(0,text.length()-1);
+		}
 
-		res.put("words",text.substring(0,text.length()-1));
+
+		res.put("words",words);
 
 		return res;
 	}

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