diff --git a/plugins/platforms/line/adapter.py b/plugins/platforms/line/adapter.py
index db5d3564d32..907f16be4ff 100644
--- a/plugins/platforms/line/adapter.py
+++ b/plugins/platforms/line/adapter.py
@@ -447,7 +447,7 @@ class _LineClient:
     async def reply(self, reply_token: str, messages: List[Dict[str, Any]]) -> None:
         import aiohttp
         timeout = aiohttp.ClientTimeout(total=self._timeout)
-        async with aiohttp.ClientSession(timeout=timeout) as session:
+        async with aiohttp.ClientSession(timeout=timeout, trust_env=True) as session:
             async with session.post(
                 LINE_REPLY_URL,
                 headers=self._headers,
@@ -460,7 +460,7 @@ class _LineClient:
     async def push(self, chat_id: str, messages: List[Dict[str, Any]]) -> None:
         import aiohttp
         timeout = aiohttp.ClientTimeout(total=self._timeout)
-        async with aiohttp.ClientSession(timeout=timeout) as session:
+        async with aiohttp.ClientSession(timeout=timeout, trust_env=True) as session:
             async with session.post(
                 LINE_PUSH_URL,
                 headers=self._headers,
@@ -479,7 +479,7 @@ class _LineClient:
         clamped = max(5, min(60, (seconds // 5) * 5 or 5))
         try:
             timeout = aiohttp.ClientTimeout(total=5.0)
-            async with aiohttp.ClientSession(timeout=timeout) as session:
+            async with aiohttp.ClientSession(timeout=timeout, trust_env=True) as session:
                 await session.post(
                     LINE_LOADING_URL,
                     headers=self._headers,
@@ -493,7 +493,7 @@ class _LineClient:
         import aiohttp
         url = LINE_CONTENT_URL_FMT.format(message_id=message_id)
         timeout = aiohttp.ClientTimeout(total=30.0)
-        async with aiohttp.ClientSession(timeout=timeout) as session:
+        async with aiohttp.ClientSession(timeout=timeout, trust_env=True) as session:
             async with session.get(url, headers={"Authorization": f"Bearer {self._token}"}) as resp:
                 if resp.status >= 400:
                     raise RuntimeError(f"LINE content {resp.status}")
@@ -504,7 +504,7 @@ class _LineClient:
         import aiohttp
         timeout = aiohttp.ClientTimeout(total=10.0)
         try:
-            async with aiohttp.ClientSession(timeout=timeout) as session:
+            async with aiohttp.ClientSession(timeout=timeout, trust_env=True) as session:
                 async with session.get(LINE_BOT_INFO_URL, headers=self._headers) as resp:
                     if resp.status >= 400:
                         return None