chore: update some bugs

.github/workflows/build.yml

@@ -0,0 +1,33 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - '!v*'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Build project
+        run: cargo build --release
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-latest-nanno-migrator
+          path: target/release/nanno-migrator.exe

README.md

@@ -8,3 +8,10 @@ Hi, there! This is the Nanno Migrator project, which is a tool for migrating dat
 - And more...
 
 Welcome to send issues to me if you want to add more supports or have any questions and suggestions.
+
+## Usage
+
+1. Download the latest release from [releases page](https://github.com/biyuehu/nanno-migrator/releases) or build from source.
+2. Put executable file to same directory of `db.3.sqlite` file (Generally, it's in `whitecloud/resources/data/db.3.sqlite`).
+3. Run executable file, then you will see a `export-from-whitecloud-xxxx.json` file in the same directory.
+4. Import the `export-from-whitecloud-xxxx.json` file to Nanno.