diff --git a/tencentdb/chain.go b/tencentdb/chain.go
index 1e1162f..c89ec97 100644
--- a/tencentdb/chain.go
+++ b/tencentdb/chain.go
@@ -419,6 +419,9 @@ func (this *Query) List() ([]map[string]string, error) {
  * return row error
  */
 func (this *Query) Find() (map[string]string, error) {
+
+	log.Println(this.conn)
+
 	conn, err := connectDb(dbhost_slaver, dbuser_slaver, dbpwd_slaver, dbname_slaver, dbport_slaver, 1, 0)
 
 	if err != nil {