diff --git a/conn.go b/conn.go
index 06b0a18..718ce8f 100755
--- a/conn.go
+++ b/conn.go
@@ -17,7 +17,7 @@ var DB *sql.DB
 
 var SLAVER_DB *sql.DB
 
-//db类型,默认空，如TencentDB（腾讯）,
+// db类型,默认空，如TencentDB（腾讯）,
 var DB_PROVIDER string
 
 func Connect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error {
@@ -123,7 +123,16 @@ func getTableName(dbName, table string, dbtype ...string) string {
 			ret = table
 		}
 		if dbName != "" {
-			ret = helper.StringJoin(dbName, ".", table)
+			if strings.Contains(table, ",") {
+				arr := strings.Split(table, ",")
+				arrStrs := make([]string, 0, len(arr))
+				for _, v := range arr {
+					arrStrs = append(arrStrs, helper.StringJoin(dbName, ".", v))
+				}
+				ret = strings.Join(arrStrs, ",")
+			} else {
+				ret = helper.StringJoin(dbName, ".", table)
+			}
 		} else {
 			ret = table
 		}