diff --git a/README.md b/README.md
index 50c7e50..aa33195 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,11 @@ const string roleName = "Admin";
 - Before you do debugging, you must create the tables in the database.
  Please run DDL Script, "OracleIdentity.sql.txt" in the AspNet.Identity.Oracle project.
 
+- If you have an error appears at the start of debugging, please try the following below.
+  - To start the Visual Studio by "Run as Administrator". 
+  - Debugging on the "Local IIS" not "IIS Express".
+  - Check build platform Win32 or x64, this project and installed ODP.NET.
+
 
 Notice
 ======
diff --git a/Src/AspNet.Identity.Oracle/Readme.txt b/Src/AspNet.Identity.Oracle/Readme.txt
index 474741d..cc78559 100644
--- a/Src/AspNet.Identity.Oracle/Readme.txt
+++ b/Src/AspNet.Identity.Oracle/Readme.txt
@@ -1,7 +1,7 @@
-This is an example to implement a OracleDatabase store for ASP.NET Identity 2.0
-
-Steps to run project
-
+This is an example to implement a OracleDatabase store for ASP.NET Identity 2.0
+
+Steps to run project
+
 - Open project in VS with Update 2 or later installed
 - Build project to restore packages and build project
 - In the solution, add a new one ASP.NET project with MVC and Individual Authentication
@@ -54,6 +54,10 @@ const string roleName = "Admin";
   ```
 - Before you do debugging, you must create the tables in the database.
  Please run DDL Script, "OracleIdentity.sql.txt" in the AspNet.Identity.Oracle project.
-
-
+
+- If you have an error appears at the start of debugging, please try the following below.
+  - To start the Visual Studio by "Run as Administrator". 
+  - Debugging on the "Local IIS" not "IIS Express".
+  - Check build platform Win32 or x64, this project and installed ODP.NET.
+
 //
\ No newline at end of file