diff --git a/loopback/server/connectors/vn-mysql.js b/loopback/server/connectors/vn-mysql.js
index aae58fe9a..4ad71c950 100644
--- a/loopback/server/connectors/vn-mysql.js
+++ b/loopback/server/connectors/vn-mysql.js
@@ -316,6 +316,8 @@ class VnMySQL extends MySQL {
     }
 
     async invokeMethodP(method, args, model, ctx, opts) {
+        const Model = this.getModelDefinition(model).model;
+        const settings = Model.definition.settings;
         let tx;
         if (!opts.transaction) {
             tx = await Transaction.begin(this, {});
@@ -325,8 +327,10 @@ class VnMySQL extends MySQL {
         try {
             // Fetch old values (update|delete) or login
             let where, id, data, idName, limit, op, oldInstances, newInstances;
-            const hasGrabUser = await this.grabUserLog(model, opts, 'login');
-            if (!hasGrabUser) {
+            const hasGrabUser = settings.log && settings.log.grabUser;
+            if(hasGrabUser)
+                await this.grabUserLog(Model, opts, 'login');
+            else {
                 where = ctx.where;
                 id = ctx.id;
                 data = ctx.data;
@@ -358,7 +362,9 @@ class VnMySQL extends MySQL {
                 super[method].apply(this, fnArgs);
             });
 
-            if (!hasGrabUser) {
+            if(hasGrabUser)
+                await this.grabUserLog(Model, opts, 'logout');
+            else {
                 // Fetch new values
                 const ids = [];
 
@@ -386,7 +392,6 @@ class VnMySQL extends MySQL {
                     }
                 }
 
-                await this.grabUserLog(model, opts, 'logout');
                 await this.createLogRecord(oldInstances, newInstances, model, opts);
             }
             if (tx) await tx.commit();
@@ -397,23 +402,15 @@ class VnMySQL extends MySQL {
         }
     }
 
-    async grabUserLog(model, opts, action) {
-        const Model = this.getModelDefinition(model).model;
-        const settings = Model.definition.settings;
-
-        if (!(settings.log && settings.log.grabUser))
-            return false;
-
+    async grabUserLog(Model, opts, action) {
         if(action == 'login'){
             const userId = opts.httpCtx && opts.httpCtx.active.accessToken.userId;
             const user = await Model.app.models.Account.findById(userId, {fields: ['name']}, opts);
             await this.executeP(`CALL account.myUser_loginWithName(?)`, [user.name], opts);
         }
-        else if(action == 'logout'){
+        else if(action == 'logout')
             await this.executeP(`CALL account.myUser_logout()`, null, opts);
-        }
 
-        return true;
     }
 
     buildSelectStmt(op, data, idName, model, where, limit) {