diff --git a/sysmodule/RedisModule.go b/sysmodule/RedisModule.go
index 6f7fa3e..fd37a58 100644
--- a/sysmodule/RedisModule.go
+++ b/sysmodule/RedisModule.go
@@ -1434,4 +1434,19 @@ func (slf *RedisModule) HincrbyHashInt(redisKey, hashKey string, value int) erro
 	}
   
 	return retErr
+  }
+
+  func (slf *RedisModule) EXPlREInsert(key string, TTl int) error {
+	conn, err := slf.getConn()
+	if err != nil {
+	  return err
+	}
+	defer conn.Close()
+  
+	_, err = conn.Do("expire", key, TTl)
+	if err != nil {
+	  service.GetLogger().Printf(service.LEVER_ERROR, "expire fail,reason:%v", err)
+	  return err
+	}
+	return nil
   }
\ No newline at end of file