diff --git a/RMuseum/RMuseum.xml b/RMuseum/RMuseum.xml
index a34b8770..d64784b9 100644
--- a/RMuseum/RMuseum.xml
+++ b/RMuseum/RMuseum.xml
@@ -11159,6 +11159,16 @@
             <param name="signupCallbackUrl"></param>
             <returns>html content</returns>
         </member>
+        <member name="M:RMuseum.Services.Implementation.GanjoorAppUserService.SignUp(System.String,System.String,System.String,System.String)">
+            <summary>
+            Start signup process using email
+            </summary>
+            <param name="email"></param>
+            <param name="clientIPAddress"></param>
+            <param name="clientAppName"></param>
+            <param name="langauge"></param>
+            <returns></returns>
+        </member>
         <member name="M:RMuseum.Services.Implementation.GanjoorAppUserService.FinalizeSignUp(System.String,System.String,System.String,System.String,System.String)">
             <summary>
             finalize signup and assign his or him comments to him or her
diff --git a/RMuseum/Services/Implementation/GanjoorAppUserService.cs b/RMuseum/Services/Implementation/GanjoorAppUserService.cs
index e19c2f84..291f18cb 100644
--- a/RMuseum/Services/Implementation/GanjoorAppUserService.cs
+++ b/RMuseum/Services/Implementation/GanjoorAppUserService.cs
@@ -149,6 +149,27 @@ namespace RMuseum.Services.Implementation
             return content;
         }
 
+        /// <summary>
+        /// Start signup process using email
+        /// </summary>
+        /// <param name="email"></param>
+        /// <param name="clientIPAddress"></param>
+        /// <param name="clientAppName"></param>
+        /// <param name="langauge"></param>
+        /// <returns></returns>
+        public override async Task<RServiceResult<RVerifyQueueItem>> SignUp(string email, string clientIPAddress, string clientAppName, string langauge)
+        {
+            RServiceResult<RVerifyQueueItem> res = await base.SignUp(email, clientIPAddress, clientAppName, langauge);
+            if(res.Result == null)
+            {
+                if(res.ExceptionString == "شما قبلا ثبت نام کرده‌اید.")
+                {
+                    return new RServiceResult<RVerifyQueueItem>(null, "شما قبلا ثبت نام کرده‌اید. توجه بفرمایید که کاربران گنجینهٔ گنجور و پیشخان خوانشگران یکسانند و می‌توانید با همان نام کاربری اینجا وارد شوید.");
+                }
+            }
+            return res;
+        }
+
         /// <summary>
         /// finalize signup and assign his or him comments to him or her
         /// </summary>
diff --git a/RSecurityBackend/Services/Implementation/AppUserService.cs b/RSecurityBackend/Services/Implementation/AppUserService.cs
index a290b77a..a6b3a8d4 100644
--- a/RSecurityBackend/Services/Implementation/AppUserService.cs
+++ b/RSecurityBackend/Services/Implementation/AppUserService.cs
@@ -1094,7 +1094,7 @@ namespace RSecurityBackend.Services.Implementation
             RAppUser existingUser = await _userManager.FindByEmailAsync(email);
             if (existingUser != null)
             {
-                return new RServiceResult<RVerifyQueueItem>(null, "شما قبلا ثبت نام کرده‌اید. توجه بفرمایید که کاربران گنجینهٔ گنجور و پیشخان خوانشگران یکسانند و می‌توانید با همان نام کاربری اینجا وارد شوید.");
+                return new RServiceResult<RVerifyQueueItem>(null, "شما قبلا ثبت نام کرده‌اید.");
             }
 
             existingUser = await _userManager.FindByNameAsync(email);