Code refactoring and optimization: remove duplicate code, simplify grade processing logic, and improve code readability and maintainability.

pushplus.py

@@ -8,5 +8,10 @@ def send_message(token, title, content):
     body = json.dumps(data).encode(encoding="utf-8")
     headers = {"Content-Type": "application/json"}
     response = requests.post(url, data=body, headers=headers)
+    # 解析 JSON 数据
+    response_dict = json.loads(response.text)
+    # 删除 "data" 字段
+    if "data" in response_dict:
+        response_dict.pop("data")
 
-    return response.text
+    return response_dict