diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbec175..0ebcbd8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: 设置 Python
       uses: actions/setup-python@v5
@@ -87,7 +87,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: 设置 Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
@@ -158,7 +158,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: 设置 Python
       uses: actions/setup-python@v5
@@ -195,7 +195,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: 设置 Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 4258c74..a55c86c 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
 
     - name: 设置 Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 12c6951..357a59a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
       # 准备环境
       # ------------------------------------------------------------------------
       - name: 📥 检出代码
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0  # 获取完整历史，用于生成 changelog
 
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 770205a..3ebc0ab 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       timeout-minutes: 2
 
     - name: 设置Python
@@ -61,7 +61,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       timeout-minutes: 2
 
     - name: 设置Python
@@ -103,7 +103,7 @@ jobs:
 
     steps:
     - name: 检出代码
-      uses: actions/checkout@v4
+      uses: actions/checkout@v7
       with:
         fetch-depth: 0
       timeout-minutes: 3
diff --git a/.github/workflows/version-bump.yml b/.github/workflows/version-bump.yml
index 11ac056..b724e08 100644
--- a/.github/workflows/version-bump.yml
+++ b/.github/workflows/version-bump.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 📥 检出代码（完整历史，用于计算版本与生成日志）
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           persist-credentials: false