diff --git a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/CommUtil.java b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/CommUtil.java
index 8d682b6..fce20cc 100644
--- a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/CommUtil.java
+++ b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/CommUtil.java
@@ -112,5 +112,4 @@ public class CommUtil {
         if (s.length() == 0) return "";
         return s.substring(0, s.length() - 1);
     }
-
 }