fix：刷新异常的bug

services/edb_refresh.go

@@ -49,6 +49,10 @@ func ConfigRefreshData(cont context.Context) (err error) {
 	wg.Add(wgNum)
 
 	for _, edbList := range allSourceEdbInfoListMap {
+		if edbList == nil {
+			wg.Done()
+			continue
+		}
 		go BaseRefreshData(&wg, edbList[0].Source, edbList[0].SubSource, edbList)
 	}