diff --git a/.gitea/workflows/test-cache-state.yml b/.gitea/workflows/test-cache-state.yml
index 7748b71..6dbd45e 100644
--- a/.gitea/workflows/test-cache-state.yml
+++ b/.gitea/workflows/test-cache-state.yml
@@ -79,7 +79,7 @@ jobs:
   # 操作类型专项测试
   test-operation-types:
     if: ${{ inputs.test_scope == 'operations' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     strategy:
       matrix:
         operation: [get, set, get-or-set]
@@ -150,7 +150,7 @@ jobs:
   # 缓存行为测试
   test-cache-behavior:
     if: ${{ inputs.test_scope == 'operations' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     steps:
       - name: 检出代码
         uses: actions/checkout@v4
@@ -248,7 +248,7 @@ jobs:
   # 边界情况测试
   test-edge-cases:
     if: ${{ inputs.test_scope == 'edge-cases' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     strategy:
       matrix:
         edge_case:
@@ -301,7 +301,7 @@ jobs:
   # 并发测试
   test-concurrent:
     if: ${{ inputs.test_scope == 'stress' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     strategy:
       matrix:
         worker: [1, 2, 3, 4, 5]
@@ -337,7 +337,7 @@ jobs:
   # 过期时间测试
   test-expiry:
     if: ${{ inputs.test_scope == 'expiry' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     steps:
       - name: 检出代码
         uses: actions/checkout@v4
@@ -467,7 +467,7 @@ jobs:
   # 删除功能测试
   test-delete-operations:
     if: ${{ inputs.test_scope == 'delete' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     steps:
       - name: 检出代码
         uses: actions/checkout@v4
@@ -615,7 +615,7 @@ jobs:
   # 错误处理测试
   test-error-handling:
     if: ${{ inputs.test_scope == 'edge-cases' || inputs.test_scope == 'full' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     steps:
       - name: 检出代码
         uses: actions/checkout@v4
@@ -679,7 +679,7 @@ jobs:
   cleanup-test-cache:
     if: ${{ inputs.clean_cache && always() }}
     needs: [test-basic-operations, test-operation-types, test-cache-behavior, test-edge-cases, test-concurrent, test-error-handling]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     steps:
       - name: 检出代码
         uses: actions/checkout@v4
@@ -708,7 +708,7 @@ jobs:
   test-summary:
     needs: [test-basic-operations, test-operation-types, test-cache-behavior, test-edge-cases, test-expiry, test-delete-operations, test-concurrent, test-error-handling]
     if: always()
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-node-20
     steps:
       - name: 生成测试报告
         run: |