diff --git a/meapi/src/main/java/com/foreverwin/mesnac/meapi/util/StringUtils.java b/meapi/src/main/java/com/foreverwin/mesnac/meapi/util/StringUtils.java
index 9fbb901d..8376cc76 100644
--- a/meapi/src/main/java/com/foreverwin/mesnac/meapi/util/StringUtils.java
+++ b/meapi/src/main/java/com/foreverwin/mesnac/meapi/util/StringUtils.java
@@ -179,6 +179,8 @@ public class StringUtils {
         return message;
     }
 
+
+
     static public String format(String message, Object... args)
     {
         if( message.length() <= 0 ) return message;
@@ -201,7 +203,7 @@ public class StringUtils {
             String key = map.getKey();
             String value = map.getValue();
 
-            String keyStr = '%' + key + '%';
+            String keyStr = '#' + key + '#';
             if (message.contains(keyStr)) {
                 message = message.replace(keyStr, value);
             }