diff --git a/data_platform/fallback.py b/data_platform/fallback.py
index 10b4bda1..d9758390 100644
--- a/data_platform/fallback.py
+++ b/data_platform/fallback.py
@@ -76,9 +76,11 @@ class FallbackManager:
         days = (datetime.strptime(end_date, "%Y-%m-%d") - datetime.strptime(start_date, "%Y-%m-%d")).days + 10
         url = f"https://web.ifzq.gtimg.cn/appstock/app/fqkline/get?param={tq_symbol},day,,{days},"
         try:
+            import urllib.request, json as _json
+            opener = urllib.request.build_opener(urllib.request.ProxyHandler({}))
             req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
-            with urllib.request.urlopen(req, timeout=10) as r:
-                data = json.loads(r.read())
+            with opener.open(req, timeout=10) as r:
+                data = _json.loads(r.read())
             klines = data.get("data", {}).get(tq_symbol, {}).get("day", [])
             if not klines:
                 return None