diff --git a/.cargo/config.toml b/.cargo/config.toml
deleted file mode 100644
index bac0add..0000000
--- a/.cargo/config.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-# Just used for rust-analyzer.
-[build]
-target = "riscv64gc-unknown-none-elf"
-# target = 'aarch64-unknown-none-softfloat'
-# target = 'x86_64-unknown-none'
-# target = 'loongarch64-unknown-none'
diff --git a/.github/workflows/doc.yaml b/.github/workflows/doc.yaml
index c6b7076..dee4eb4 100644
--- a/.github/workflows/doc.yaml
+++ b/.github/workflows/doc.yaml
@@ -18,7 +18,7 @@ jobs:
     - name: add target
       run: rustup target add riscv64gc-unknown-none-elf
     - name: generate doc
-      run: cargo doc --no-deps --all-features
+      run: cargo doc --no-deps --all-features --target riscv64gc-unknown-none-elf
     - name: Deploy to Github Pages
       uses: JamesIves/github-pages-deploy-action@v4
       with:
diff --git a/.github/workflows/test-external.yaml b/.github/workflows/test-external.yaml
new file mode 100644
index 0000000..187a03e
--- /dev/null
+++ b/.github/workflows/test-external.yaml
@@ -0,0 +1,25 @@
+name: TestExternal
+
+on:
+  workflow_dispatch:
+  push:
+  pull_request:
+    
+jobs:
+  test-output:
+    runs-on: ubuntu-latest
+    steps:
+    - name: output
+      run: |
+        echo ${{ github.repository_owner }}
+        echo ${{ github.repository }}
+
+  test-external-rcore-ch7:
+    if: github.repository_owner == 'sysones'
+    uses: sysones/rcore-tutorial-v3-with-hal-component/.github/workflows/test-run.yml@ch7
+    with:
+      # The directory to Top test, which need to be empty or not exist in this repository
+      TopTestDirectory: RcoreTest
+      CallerPackage: polyhal
+      CallerRepository: ${{ github.repository }}
+      CallerCommit: ${{ github.sha }} 
\ No newline at end of file
diff --git a/.github/workflows/test-extranel.yaml b/.github/workflows/test-extranel.yaml
deleted file mode 100644
index 29b8901..0000000
--- a/.github/workflows/test-extranel.yaml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: TestExternal
-
-on:
-  workflow_dispatch:
-  push:
-  pull_request:
-    
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: convictional/trigger-workflow-and-wait@v1.6.1
-      with:
-          owner: yfblock
-          repo: rcore-tutorial-v3-with-hal-component
-          github_token: ${{ secrets.PERSONAL_TOKEN }}
-          github_user: yfblock
-          workflow_file_name: test-run.yml
-          ref: ch7
-          wait_interval: 10
-          client_payload: '{"commit": "${{ github.sha}}"}'
-          propagate_failure: true
-          trigger_workflow: true
-          wait_workflow: true
diff --git a/README.md b/README.md
index 91ac6a9..146b5bd 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # arch crate
+test 
 
 > A crate help you to write a os that support multiple platforms.