diff --git a/adata/common/utils/sunrequests.py b/adata/common/utils/sunrequests.py
index 9fec0ed..2e74a94 100644
--- a/adata/common/utils/sunrequests.py
+++ b/adata/common/utils/sunrequests.py
@@ -10,6 +10,8 @@
 
 import threading
 import time
+from collections import defaultdict
+from urllib.parse import urlparse
 
 import requests
 
@@ -41,10 +43,101 @@ def delete(cls, key):
             del cls._data[key]
 
 
+class RateLimiter:
+    """
+    频率限制器：控制同一域名的请求频率
+    默认每分钟30次请求
+    """
+    _instance = None
+    _lock = threading.Lock()
+
+    def __new__(cls):
+        if cls._instance is None:
+            with cls._lock:
+                if cls._instance is None:
+                    cls._instance = super().__new__(cls)
+                    cls._instance._init()
+        return cls._instance
+
+    def _init(self):
+        # 每个域名的请求时间戳列表 {domain: [timestamp1, timestamp2, ...]}
+        self._domain_requests = defaultdict(list)
+        # 每个域名的频率限制 {domain: max_requests_per_minute}
+        self._domain_limits = defaultdict(lambda: 30)
+        self._lock = threading.Lock()
+
+    def set_rate_limit(self, domain: str, requests_per_minute: int):
+        """
+        设置指定域名的频率限制
+        :param domain: 域名，如 'finance.sina.com.cn'
+        :param requests_per_minute: 每分钟最大请求数
+        """
+        with self._lock:
+            self._domain_limits[domain] = requests_per_minute
+
+    def get_rate_limit(self, domain: str) -> int:
+        """获取指定域名的频率限制"""
+        return self._domain_limits[domain]
+
+    def acquire(self, url: str):
+        """
+        获取请求许可，如果超过频率限制则等待
+        :param url: 请求的URL
+        """
+        domain = self._extract_domain(url)
+        limit = self._domain_limits[domain]
+
+        while True:
+            with self._lock:
+                now = time.time()
+                # 清理60秒前的请求记录
+                self._domain_requests[domain] = [
+                    ts for ts in self._domain_requests[domain]
+                    if now - ts < 60
+                ]
+
+                # 检查是否超过限制
+                if len(self._domain_requests[domain]) < limit:
+                    # 记录本次请求并放行
+                    self._domain_requests[domain].append(now)
+                    return
+
+                # 计算需要等待的时间
+                oldest_request = self._domain_requests[domain][0]
+                wait_time = 60 - (now - oldest_request)
+
+            # 在锁外等待，避免阻塞其他线程
+            if wait_time > 0:
+                time.sleep(wait_time)
+            else:
+                # 如果不需要等待，短暂休眠避免CPU空转
+                time.sleep(0.01)
+
+    def _extract_domain(self, url: str) -> str:
+        """从URL中提取域名"""
+        try:
+            parsed = urlparse(url)
+            return parsed.netloc if parsed.netloc else url
+        except Exception:
+            return url
+
+
 class SunRequests(object):
     def __init__(self, sun_proxy: SunProxy = None) -> None:
         super().__init__()
         self.sun_proxy = sun_proxy
+        self._rate_limiter = RateLimiter()
+
+    def set_rate_limit(self, domain: str, requests_per_minute: int = 30):
+        """
+        设置指定域名的请求频率限制
+        :param domain: 域名，如 'finance.sina.com.cn' 或 'https://finance.sina.com.cn'
+        :param requests_per_minute: 每分钟最大请求数，默认30
+        """
+        # 如果传入的是URL，提取域名
+        if domain.startswith('http://') or domain.startswith('https://'):
+            domain = self._rate_limiter._extract_domain(domain)
+        self._rate_limiter.set_rate_limit(domain, requests_per_minute)
 
     def request(self, method='get', url=None, times=3, retry_wait_time=1588, proxies=None, wait_time=None, **kwargs):
         """
@@ -58,6 +151,10 @@ def request(self, method='get', url=None, times=3, retry_wait_time=1588, proxies
         :param kwargs: 其它 requests 参数，用法相同
         :return: res
         """
+        # 0. 频率限制检查
+        if url:
+            self._rate_limiter.acquire(url)
+
         # 1. 获取设置代理
         proxies = self.__get_proxies(proxies)
         # 2. 请求数据结果