diff --git a/.gitea/workflows/ci-cd.yml b/.gitea/workflows/ci-cd.yml
index 5a3bffdcc..1ee5f0c20 100755
--- a/.gitea/workflows/ci-cd.yml
+++ b/.gitea/workflows/ci-cd.yml
@@ -165,7 +165,8 @@ jobs:
         run: |
           set -eu
           PYTHONPATH="$PWD/apps/api:$PWD" python3 -m pytest tests/unit -q \
-            --cov=apps --cov-report=term --cov-report=xml --cov-fail-under=50
+            --cov=apps --cov-report=term --cov-report=term-missing --cov-report=xml \
+            --cov-fail-under=60
 
       - name: Start PostgreSQL for integration tests
         shell: sh
@@ -211,7 +212,7 @@ jobs:
           set -eu
           pip install -q pytest-rerunfailures
           PYTHONPATH="$PWD/apps/api:$PWD" python3 -m pytest tests/integration -q --timeout=60 -x --reruns 2 --reruns-delay 1 -m "not performance" \
-            --cov=apps --cov-append --cov-report=term --cov-report=xml --cov-fail-under=50
+            --cov=apps --cov-append --cov-report=term --cov-report=term-missing --cov-report=xml --cov-fail-under=65
 
       - name: Run API performance baseline tests
         shell: sh
@@ -262,6 +263,98 @@ jobs:
           docker rm -f "${PG_CONTAINER:-ci-pg-validate}" 2>/dev/null || true
           echo "PostgreSQL container cleaned up"
 
+      - name: Coverage summary
+        if: always()
+        shell: sh
+        run: |
+          set +e
+          echo "=== 覆盖率汇总 ==="
+          if [ -f coverage.xml ]; then
+            python3 -c "
+import xml.etree.ElementTree as ET
+tree = ET.parse('coverage.xml')
+root = tree.getroot()
+line_rate = float(root.get('line-rate', 0)) * 100
+branch_rate = float(root.get('branch-rate', 0)) * 100
+lines_covered = int(root.get('lines-covered', 0))
+lines_valid = int(root.get('lines-valid', 0))
+print(f'行覆盖率: {line_rate:.2f}% ({lines_covered}/{lines_valid})')
+print(f'分支覆盖率: {branch_rate:.2f}%')
+print(f'门槛: 65%')
+print(f'状态: {"PASS ✅" if line_rate >= 65 else "FAIL ❌"}')
+"
+          else
+            echo "coverage.xml 不存在，跳过汇总"
+          fi
+
+      - name: Notify CI failure
+        if: failure()
+        shell: sh
+        run: |
+          set +e
+          echo "=== CI 失败通知 ==="
+          
+          # 收集失败信息
+          FAILED_JOB="Validate Code Quality And Tests"
+          BRANCH="${GITHUB_REF_NAME:-unknown}"
+          COMMIT="${GITHUB_SHA:0:8}"
+          ACTOR="${GITHUB_ACTOR:-unknown}"
+          RUN_ID="${GITHUB_RUN_ID:-unknown}"
+          REPO="${GITHUB_REPOSITORY:-unknown}"
+          RUN_URL="https://git.xiaoxiajianji.com/${REPO}/actions/runs/${RUN_ID}"
+          
+          # 构造通知消息
+          PAYLOAD=$(cat <<EOF
+          {
+            "msg_type": "interactive",
+            "card": {
+              "header": {
+                "title": {
+                  "tag": "plain_text",
+                  "content": "❌ CI 构建失败"
+                },
+                "status": "red"
+              },
+              "elements": [
+                {
+                  "tag": "div",
+                  "text": {
+                    "tag": "lark_md",
+                    "content": "**任务**: ${FAILED_JOB}
+**分支**: ${BRANCH}
+**提交**: ${COMMIT}
+**提交者**: ${ACTOR}
+**Run ID**: ${RUN_ID}"
+                  }
+                },
+                {
+                  "tag": "action",
+                  "actions": [
+                    {
+                      "tag": "button",
+                      "text": {
+                        "tag": "plain_text",
+                        "content": "查看失败日志"
+                      },
+                      "url": "${RUN_URL}",
+                      "type": "danger"
+                    }
+                  ]
+                }
+              ]
+            }
+          }
+          EOF
+          )
+          
+          # 如果配置了通知 webhook 就发送
+          if [ -n "${CI_NOTIFY_WEBHOOK:-}" ]; then
+            curl -s -X POST -H "Content-Type: application/json"               "${CI_NOTIFY_WEBHOOK}"               -d "$PAYLOAD" > /dev/null 2>&1 && echo "通知已发送" || echo "通知发送失败"
+          else
+            echo "未配置 CI_NOTIFY_WEBHOOK，跳过通知"
+            echo "如需启用，请在仓库 Settings -> Secrets and variables -> Actions 中添加 CI_NOTIFY_WEBHOOK"
+          fi
+
       - name: Build summary
         if: github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main'
         shell: sh
@@ -270,6 +363,16 @@ jobs:
           echo "Build completed successfully!"
           echo "Branch: ${GITHUB_REF_NAME}"
           echo "Commit: ${GITHUB_SHA}"
+          # 输出最终覆盖率
+          if [ -f coverage.xml ]; then
+            python3 -c "
+import xml.etree.ElementTree as ET
+tree = ET.parse('coverage.xml')
+root = tree.getroot()
+line_rate = float(root.get('line-rate', 0)) * 100
+print(f'Total coverage: {line_rate:.2f}%')
+"
+          fi
 
   frontend-lint:
     name: Frontend Lint
diff --git a/pyproject.toml b/pyproject.toml
index 16a9e8248..2d06cc424 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,3 +37,35 @@ extend_skip_glob = [
     "out/**",
     "coverage/**",
 ]
+
+[tool.coverage.run]
+source = ["apps", "packages"]
+omit = [
+    "*/migrations/*",
+    "*/tests/*",
+    "*/test_*.py",
+    "*/site-packages/*",
+    "*/.cache/*",
+]
+branch = true
+
+[tool.coverage.report]
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "if __name__ == .__main__.:",
+    "raise NotImplementedError",
+    "pass",
+    "if TYPE_CHECKING:",
+    "class .*Protocol",
+    "@abstractmethod",
+    "raise AssertionError",
+    "raise RuntimeError",
+    "if 0:",
+    "if __debug__:",
+]
+show_missing = true
+skip_covered = false
+
+[tool.coverage.xml]
+output = "coverage.xml"