diff --git a/app/core/config.py b/app/core/config.py
index 5ee204de..b1341bfc 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -233,8 +233,6 @@ class ConfigModel(BaseModel):
     COOKIECLOUD_INTERVAL: Optional[int] = 60 * 24
     # CookieCloud同步黑名单，多个域名,分割
     COOKIECLOUD_BLACKLIST: Optional[str] = None
-    # CookieCloud对应的浏览器UA
-    USER_AGENT: str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 Edg/113.0.1774.57"
     # 电影重命名格式
     MOVIE_RENAME_FORMAT: str = "{{title}}{% if year %} ({{year}}){% endif %}" \
                                "/{{title}}{% if year %} ({{year}}){% endif %}{% if part %}-{{part}}{% endif %}{% if videoFormat %} - {{videoFormat}}{% endif %}" \
@@ -510,6 +508,13 @@ class Settings(BaseSettings, ConfigModel, LogConfigModel):
         """
         return "v2"
 
+    @property
+    def USER_AGENT(self) -> str:
+        """
+        全局用户代理字符串
+        """
+        return f"{self.PROJECT_NAME}/{self.VERSION_FLAG}"
+
     @property
     def INNER_CONFIG_PATH(self):
         return self.ROOT_PATH / "config"
diff --git a/app/utils/http.py b/app/utils/http.py
index 6ca594c9..3f8bcbdf 100644
--- a/app/utils/http.py
+++ b/app/utils/http.py
@@ -1,5 +1,7 @@
+import sys
 import re
 from contextlib import contextmanager
+from pathlib import Path
 from typing import Any, Optional, Union
 
 import chardet
@@ -8,6 +10,7 @@ import urllib3
 from requests import Response, Session
 from urllib3.exceptions import InsecureRequestWarning
 
+from app.core.config import settings
 from app.log import logger
 
 urllib3.disable_warnings(InsecureRequestWarning)
@@ -86,6 +89,7 @@ class AutoCloseResponse:
     def __exit__(self, *args):
         self.close()
 
+
 class RequestUtils:
 
     def __init__(self,
@@ -106,6 +110,10 @@ class RequestUtils:
         if headers:
             self._headers = headers
         else:
+            if ua and ua == settings.USER_AGENT:
+                caller_name = self.__get_caller()
+                if caller_name:
+                    ua = f"{settings.USER_AGENT} Plugin/{caller_name}"
             self._headers = {
                 "User-Agent": ua,
                 "Content-Type": content_type,
@@ -120,6 +128,43 @@ class RequestUtils:
         else:
             self._cookies = None
 
+    @staticmethod
+    def __get_caller():
+        """
+        获取调用者的名称，识别是否为插件调用
+        """
+        # 调用者名称
+        caller_name = None
+
+        try:
+            frame = sys._getframe(3)  # noqa
+        except (AttributeError, ValueError):
+            return None
+
+        while frame:
+            filepath = Path(frame.f_code.co_filename)
+            parts = filepath.parts
+            if "app" in parts:
+                if not caller_name and "plugins" in parts:
+                    try:
+                        plugins_index = parts.index("plugins")
+                        if plugins_index + 1 < len(parts):
+                            plugin_candidate = parts[plugins_index + 1]
+                            if plugin_candidate != "__init__.py":
+                                caller_name = plugin_candidate
+                            break
+                    except ValueError:
+                        pass
+                if "main.py" in parts:
+                    break
+            elif len(parts) != 1:
+                break
+            try:
+                frame = frame.f_back
+            except AttributeError:
+                break
+        return caller_name
+
     def request(self, method: str, url: str, raise_exception: bool = False, **kwargs) -> Optional[Response]:
         """
         发起HTTP请求