diff --git a/dbm-services/mysql/db-tools/dbactuator/pkg/components/rename_dbs/pkg/drop_db.go b/dbm-services/mysql/db-tools/dbactuator/pkg/components/rename_dbs/pkg/drop_db.go
index 4276cbd6ac..0b73efde26 100644
--- a/dbm-services/mysql/db-tools/dbactuator/pkg/components/rename_dbs/pkg/drop_db.go
+++ b/dbm-services/mysql/db-tools/dbactuator/pkg/components/rename_dbs/pkg/drop_db.go
@@ -19,7 +19,7 @@ func DropDB(conn *sqlx.Conn, dbName, to string, onlyStageTable bool) error {
 		return fmt.Errorf(`db "%s" is not trans clean`, dbName)
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
 	defer cancel()
 
 	_, err = conn.ExecContext(
diff --git a/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/pkg/safe_drop_tables.go b/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/pkg/safe_drop_tables.go
index a58d91e8de..01d6f36904 100644
--- a/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/pkg/safe_drop_tables.go
+++ b/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/pkg/safe_drop_tables.go
@@ -29,7 +29,7 @@ func safeDropSourceTable(conn *sqlx.Conn, dbName, stageDBName, tableName string)
 		return fmt.Errorf("table `%s` does not exist in `%s`", tableName, stageDBName)
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
 	defer cancel()
 
 	// 留着这里, drop table 不需要预处理触发器
diff --git a/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/via_ctl.go b/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/via_ctl.go
index 90f5c40b07..49131ccb47 100644
--- a/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/via_ctl.go
+++ b/dbm-services/mysql/db-tools/dbactuator/pkg/components/truncate/via_ctl.go
@@ -173,10 +173,22 @@ func (c *ViaCtlComponent) dropSourceTables() error {
 	return nil
 }
 
+// 如果库下面有很多表, 直接 drop database 很容易超时
+// 得循环起来先一个一个把表 drop 了
 func (c *ViaCtlComponent) dropSourceDBs() error {
 	for db := range c.dbTablesMap {
 		stageDBName := generateStageDBName(c.Param.StageDBHeader, c.Param.FlowTimeStr, db)
-		err := rpkg.DropDB(c.dbConn, db, stageDBName, true)
+
+		logger.Info(fmt.Sprintf("drop source dbs %v should drop it's tables", c.dbTablesMap[db]))
+
+		err := tpkg.SafeDropSourceTables(c.dbConn, db, stageDBName, c.dbTablesMap[db])
+		if err != nil {
+			logger.Error("drop source tables %v failed: ", c.dbTablesMap[db], err.Error())
+			return err
+		}
+		logger.Info("drop source tables %v success", c.dbTablesMap[db])
+
+		err = rpkg.DropDB(c.dbConn, db, stageDBName, true)
 		if err != nil {
 			logger.Error(
 				"drop db %s failed: %s", db, err.Error(),