diff --git a/src/main/java/com/yutou/tools/other/QQSetu.java b/src/main/java/com/yutou/tools/other/QQSetu.java
index e0a8d0f..4e2543f 100644
--- a/src/main/java/com/yutou/tools/other/QQSetu.java
+++ b/src/main/java/com/yutou/tools/other/QQSetu.java
@@ -182,7 +182,7 @@ public class QQSetu {
             }
         }
         try {
-            if(msg.trim().length()>2){
+            if(msg.trim().length()>3){
                 return;
             }
             float i = Float.parseFloat(msg.trim());