diff --git a/core/service.go b/core/service.go
index d193c01..a138272 100644
--- a/core/service.go
+++ b/core/service.go
@@ -303,7 +303,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 
 	bfinfo, err := sh.getUserBrowserInfo(r)
 	if err != nil {
-		logger.Error("getUserBrowserInfo failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -312,7 +312,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 	if !guestlink {
 		_, err = sh.readProfile(oldType, oldId, bfinfo)
 		if err != nil {
-			logger.Error("readProfile(old) failed :", err)
+			logger.ErrorWithCallStack(err)
 			w.WriteHeader(http.StatusBadRequest)
 			return
 		}
@@ -322,7 +322,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 
 	oldType, oldId, err = sh.getProviderInfo(oldType, oldId)
 	if err != nil {
-		logger.Error("getProviderInfo failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -348,7 +348,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 	//email, err := sh.readProfile(newType, newId, bfinfo)
 	_, err = sh.readProfile(newType, newId, bfinfo)
 	if err != nil {
-		logger.Error("readProfile(new) failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -361,14 +361,14 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 
 	newType, newId, err = sh.getProviderInfo(newType, newId)
 	if err != nil {
-		logger.Error("getProviderInfo failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
 
 	found, err := sh.mongoClient.FindOne(CollectionLink, bson.M{"platform": newType, "uid": newId}, options.FindOne())
 	if err != nil {
-		logger.Error("link failed. FindOne err:", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -389,7 +389,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 		},
 	}, options.FindOneAndUpdate().SetReturnDocument(options.After).SetUpsert(true).SetProjection(bson.M{"_id": 1}))
 	if err != nil {
-		logger.Error("link failed. FindOneAndUpdate link err:", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -403,7 +403,7 @@ func (sh *serviceDescription) link(w http.ResponseWriter, r *http.Request) {
 		},
 	}, options.Update().SetUpsert(true))
 	if err != nil {
-		logger.Error("link failed. Update ServiceName err :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -487,7 +487,7 @@ func (sh *serviceDescription) unlink(w http.ResponseWriter, r *http.Request) {
 		"_id": 1,
 	}))
 	if err != nil {
-		logger.Error("unlink failed, fail to count accounts :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 	}
 
@@ -507,7 +507,7 @@ func (sh *serviceDescription) unlink(w http.ResponseWriter, r *http.Request) {
 		"_id":      bson.M{"$in": ids},
 	}, options.FindOneAndDelete().SetProjection(bson.M{"_id": 1}))
 	if err != nil {
-		logger.Error("link failed. FindOneAndUpdate link err:", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -516,7 +516,7 @@ func (sh *serviceDescription) unlink(w http.ResponseWriter, r *http.Request) {
 		"_id": link["_id"].(primitive.ObjectID),
 	}, options.FindOneAndDelete().SetProjection(bson.M{"_id": 1}))
 	if err != nil {
-		logger.Error("unlink failed. Delete ServiceName err :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -566,7 +566,7 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 
 	sType, sId, err = sh.getProviderInfo(sType, sId)
 	if err != nil {
-		logger.Error("getProviderInfo failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -583,7 +583,7 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 		"_id": 1,
 	}))
 	if err != nil {
-		logger.Error("linkinfo failed. CountDocuments err :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -599,7 +599,7 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 		platformName: 1,
 	}))
 	if err != nil {
-		logger.Error("linkinfo failed. FindAll returns err :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -611,7 +611,7 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 
 	linkbytes, err := json.Marshal(linkstrs)
 	if err != nil {
-		logger.Error("linkinfo failed. json marshal fail :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -640,14 +640,14 @@ func (sh *serviceDescription) emailinfo(w http.ResponseWriter, r *http.Request)
 
 	bfinfo, err := sh.getUserBrowserInfo(r)
 	if err != nil {
-		logger.Error("getUserBrowserInfo failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
 
 	email, err := sh.readProfile(reqauthtype, uid, bfinfo)
 	if err != nil {
-		logger.Error("readProfile(new) failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
@@ -727,21 +727,21 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 			//email, err := sh.readProfile(authtype, uid, accesstoken)
 			bfinfo, err := sh.getUserBrowserInfo(r)
 			if err != nil {
-				logger.Error("getUserBrowserInfo failed :", err)
+				logger.ErrorWithCallStack(err)
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
 
 			email, err = sh.readProfile(reqauthtype, uid, bfinfo)
 			if err != nil {
-				logger.Error("readProfile failed :", err)
+				logger.ErrorWithCallStack(err)
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
 
 			newType, newId, err := sh.getProviderInfo(reqauthtype, uid)
 			if err != nil {
-				logger.Error("getProviderInfo failed :", err)
+				logger.ErrorWithCallStack(err)
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
@@ -774,7 +774,7 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 		},
 	}, options.FindOneAndUpdate().SetReturnDocument(options.After).SetUpsert(true).SetProjection(bson.M{"_id": 1, "_ts": 1}))
 	if err != nil {
-		logger.Error("authorize failed :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -790,7 +790,7 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 		},
 	}, options.FindOneAndUpdate().SetReturnDocument(options.After).SetUpsert(true).SetProjection(bson.M{"accid": 1, "create": 1}))
 	if err != nil {
-		logger.Error("authorize failed. Update sh.ServiceName err:", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -819,7 +819,7 @@ func (sh *serviceDescription) authorize(w http.ResponseWriter, r *http.Request)
 		Alias:    alias,
 	})
 	if err != nil {
-		logger.Error("authorize failed. sessionProvider.New err:", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -888,7 +888,7 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 	if !*devflag || len(sType) != 0 {
 		sType, sId, err = sh.getProviderInfo(sType, sId)
 		if err != nil {
-			logger.Error("delacc failed. getProviderInfo err :", err)
+			logger.ErrorWithCallStack(err)
 			w.WriteHeader(http.StatusBadRequest)
 			return
 		}
@@ -902,7 +902,7 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 
 	linkidMap, err := sh.mongoClient.FindAll(CollectionAccount, bson.M{"accid": authInfo.Account}, options.Find().SetProjection(bson.M{"_id": 1}))
 	if err != nil {
-		logger.Error("delacc failed. FindAll account err :", err)
+		logger.ErrorWithCallStack(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -933,7 +933,7 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		delfilter["platform"] = sType
 		targetLinkId, err := sh.mongoClient.FindAll(CollectionLink, delfilter, options.Find().SetProjection(bson.M{"_id": 1}))
 		if len(targetLinkId) != 1 {
-			logger.Error("delacc failed. FindAll link err :", err)
+			logger.ErrorWithCallStack(err)
 			w.WriteHeader(http.StatusInternalServerError)
 			return
 		}
@@ -942,15 +942,25 @@ func (sh *serviceDescription) delacc(w http.ResponseWriter, r *http.Request) {
 		delop = primitive.M{"$unset": primitive.M{"_ts": true}}
 	}
 	updated, _, err := sh.mongoClient.Update(CollectionAccount, delfilter, delop, options.Update().SetUpsert(false))
-	if !updated || err != nil {
-		logger.Error("delacc failed. Update CollectionAccount timestamp err :", err)
+	if err != nil {
+		logger.ErrorWithCallStack(err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	if !updated {
+		logger.Error("delacc failed. Update CollectionAccount timestamp. undated is false")
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
 
 	updated, _, err = sh.mongoClient.Update(CollectionLink, delfilter, delop, options.Update().SetUpsert(false))
-	if !updated || err != nil {
-		logger.Error("delacc failed. Update CollectionLink timestamp err :", err)
+	if err != nil {
+		logger.ErrorWithCallStack(err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	if !updated {
+		logger.Error("delacc failed. Update CollectionLink timestamp. updated is false")
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}