diff --git a/unipay/providers/wechat.py b/unipay/providers/wechat.py
index d231817..90ccb8c 100644
--- a/unipay/providers/wechat.py
+++ b/unipay/providers/wechat.py
@@ -167,13 +167,16 @@ class WechatGateway(Gateway):
 		auth = self._sign("POST", url_path, body_str)
 
 		async with aiohttp.ClientSession() as session:
-			async with session.post(url, data=body_str, headers={
-				"Authorization": f"WECHATPAY2-SHA256-RSA2048 {auth}",
-				"Content-Type": "application/json"
-			}) as resp:
-				ret = await resp.json()
-				return ret.get("h5_url")
-
+			try:
+				async with session.post(url, data=body_str, headers={
+					"Authorization": f"WECHATPAY2-SHA256-RSA2048 {auth}",
+					"Content-Type": "application/json"
+				}) as resp:
+					ret = await resp.json()
+					return ret.get("h5_url")
+			except EXception as e:
+				exception(f'{e}, {url=}, {body_str=}, {auth=}')
+				raise e
 		return None
 
 	# -----------------------------------------------------