diff --git a/core/service.go b/core/service.go
index 3cc4cd1..2ac5725 100644
--- a/core/service.go
+++ b/core/service.go
@@ -887,6 +887,13 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	sType, sId, err := sh.getProviderInfo(sType, sId)
+	if err != nil {
+		logger.Error("delacc failed. getProviderInfo err :", err)
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
 	if authInfo.Uid != sId || authInfo.Platform != sType {
 		logger.Println("delacc failed. session key is not correct :", *authInfo, queryvals)
 		w.WriteHeader(http.StatusBadRequest)