diff --git a/src/main/java/com/alibaba/druid/filter/stat/StatFilterMBean.java b/src/main/java/com/alibaba/druid/filter/stat/StatFilterMBean.java
index 13762c95e3..31382bdb1c 100644
--- a/src/main/java/com/alibaba/druid/filter/stat/StatFilterMBean.java
+++ b/src/main/java/com/alibaba/druid/filter/stat/StatFilterMBean.java
@@ -19,5 +19,17 @@ package com.alibaba.druid.filter.stat;
  * @author wenshao<szujobs@hotmail.com>
  */
 public interface StatFilterMBean {
-
+    boolean isMergeSql();
+    
+    void setMergeSql(boolean mergeSql);
+    
+    boolean isLogSlowSql();
+    
+    void setLogSlowSql(boolean logSlowSql);
+    
+    String mergeSql(String sql, String dbType);
+    
+    long getSlowSqlMillis();
+    
+    void setSlowSqlMillis(long slowSqlMillis);
 }