diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9a1a186..d9b9033 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -47,7 +47,7 @@ jobs:
     needs: build-frontend
     strategy:
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.9","3.10"]
         os: [ubuntu-latest, windows-latest, macos-latest]
       fail-fast: false
     env:
@@ -97,6 +97,17 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
 
+      - name: Test Build
+        uses: docker/build-push-action@v2
+        if: github.event_name == 'pull_request'
+        with:
+          context: .
+          file: ./docker/Dockerfile_with_frontend
+          push: false
+          tags: felinae98/nonebot-bison:dummy
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
       - name: Login to DockerHub
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v1
@@ -106,10 +117,11 @@ jobs:
 
       - name: Build and push
         uses: docker/build-push-action@v2
+        if: github.event_name != 'pull_request'
         with:
           context: .
           file: ./docker/Dockerfile_with_frontend
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           tags: felinae98/nonebot-bison:${{ env.GITHUB_REF_NAME }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
diff --git a/pyproject.toml b/pyproject.toml
index a133c13..3c43b49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = ">=3.10,<4.0.0"
+python = ">=3.9,<4.0.0"
 nonebot2 = "^2.0.0-beta.2"
 httpx = ">=0.16.1"
 bs4 = "^0.0.1"
@@ -67,7 +67,7 @@ asyncio_mode = "auto"
 
 [tool.black]
 line-length = 88
-target-version = ["py310"]
+target-version = ["py39","py310"]
 include = '\.pyi?$'
 extend-exclude = '''
 '''