From 106756ded46799f810b73c22c48979813223320b Mon Sep 17 00:00:00 2001
From: heavyrain2012 <heavyrain.lee@gmail.com>
Date: Wed, 1 Sep 2021 13:44:49 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E6=95=8F=E6=84=9F=E8=AF=8D?=
 =?UTF-8?q?=E6=9B=BF=E6=8D=A2=E9=94=99=E8=AF=AF=E9=97=AE=E9=A2=98?=
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---
 broker/src/main/java/win/liyufan/im/SensitiveFilter.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/broker/src/main/java/win/liyufan/im/SensitiveFilter.java b/broker/src/main/java/win/liyufan/im/SensitiveFilter.java
index 0a538b61..0736e31c 100644
--- a/broker/src/main/java/win/liyufan/im/SensitiveFilter.java
+++ b/broker/src/main/java/win/liyufan/im/SensitiveFilter.java
@@ -31,11 +31,12 @@ public class SensitiveFilter {
             return sensitiveWords;
         }
 
+        String orignalText = text;
         text = text.toLowerCase();
         for(int i=0;i<text.length();i++){
             int sensitiveWordLength = getSensitiveWordLength(text, i, matchType);
             if(sensitiveWordLength>0){
-                String sensitiveWord = text.substring(i, i + sensitiveWordLength);
+                String sensitiveWord = orignalText.substring(i, i + sensitiveWordLength);
                 sensitiveWords.add(sensitiveWord);
                 if(matchType==MatchType.MIN_MATCH){
                     break;