All Stored Procedure name been added '1' after delete and re-add in Project.Context.cs

Question

I'm using MVC and SSMS in my project 'AssetManagement'.

I changed every stored procedures in my sql server because we changed one of our business logic.

After that, I tried to update new stored procedures in MVC, what I did:

1. Deleted all stored procedures at AssetManagement.edmx -> AssetManagement.tt manually.
2. Deleted all stored procedures at Model Browser -> AssetManagement.edmx -> AssetManagement.model -> Function Imports.
3. Deleted all stored procedures at Model Browser -> AssetManagement.edmx -> AssetManagement.model -> Deleted all stored procedures at Model Browser -> AssetManagement.edmx -> AssetManagementModel.Store -> Stored Procedures / functions.
4. Click 'update model from database' -> add -> Stored Procedures and Functions.

And I got error like this: enter image description here

And all stored procedures listed at left are got copied: enter image description here

Anyone have ideas how to fix it? Thanks!