diff --git a/README.md b/README.md
index 1350235..e747958 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,8 @@ Target platforms:
 - Android
 - Web (WASM)
 
+The GUI should be adaptive and can switch between phone (narrow width) mode and full mode in the runtime (responsivie to resizing).
+
 # Server
 
 Server is also written in C# using ASP.Net Core Web API.
@@ -26,7 +28,7 @@ The server utilizes RESTful API style: Only serve API services via HTTP requests
 
 The server provides a multi-user service, every user has its own notebook. A user can share their notes/folders to anyone.
 
-For database, it can be configured as the server is a ASP.Net Core Web API application, and by default, it uses SQLite.
+For database, it can be configured as the server is a ASP.Net Core Web API application, and by default, it uses SQLite. EF Core or similar packages should be used to avoid manually writting SQL statements.
 
 # Underlying