Create secure.json in workflow before running tests

Add step to create secure.json file before tests.

.github/workflows/django.yml

@@ -25,6 +25,24 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r ./src/backend/requirements.txt
+    # 新增步骤：在运行测试前创建 secure.json 文件
+    - name: Create secure.json
+      run: |
+        # 确保目录存在
+        mkdir -p ./src/backend/item_manager/
+        # 使用 echo 和重定向操作符 > 来创建文件并写入内容
+        echo '{
+          "SECRET_KEY": "114514",
+          "SMTP": {
+            "EMAIL_HOST": "",
+            "EMAIL_PORT": 465,
+            "EMAIL_HOST_USER": "",
+            "EMAIL_HOST_PASSWORD": "",
+            "EMAIL_USE_SSL": true,
+            "DEFAULT_FROM_EMAIL": "",
+            "ADMINS": [["", ""]]
+          }
+        }' > ./src/backend/item_manager/secure.json
     - name: Run Tests
       run: |
         python ./src/backend/manage.py test