diff --git a/pkg/provider/modelmgr/requesters/anthropicmsgs.py b/pkg/provider/modelmgr/requesters/anthropicmsgs.py
index 25b7da17..72301efd 100644
--- a/pkg/provider/modelmgr/requesters/anthropicmsgs.py
+++ b/pkg/provider/modelmgr/requesters/anthropicmsgs.py
@@ -30,7 +30,7 @@ class AnthropicMessages(requester.LLMAPIRequester):
             timeout=typing.cast(httpx.Timeout, self.ap.provider_cfg.data['requester']['anthropic-messages']['timeout']),
             limits=anthropic._constants.DEFAULT_CONNECTION_LIMITS,
             follow_redirects=True,
-            proxies=self.ap.proxy_mgr.get_forward_proxies()
+            trust_env=True,
         )
 
         self.client = anthropic.AsyncAnthropic(
diff --git a/pkg/provider/modelmgr/requesters/chatcmpl.py b/pkg/provider/modelmgr/requesters/chatcmpl.py
index a4119b60..9e3014af 100644
--- a/pkg/provider/modelmgr/requesters/chatcmpl.py
+++ b/pkg/provider/modelmgr/requesters/chatcmpl.py
@@ -39,7 +39,7 @@ class OpenAIChatCompletions(requester.LLMAPIRequester):
             base_url=self.requester_cfg['base-url'],
             timeout=self.requester_cfg['timeout'],
             http_client=httpx.AsyncClient(
-                proxies=self.ap.proxy_mgr.get_forward_proxies()
+                trust_env=True,
             )
         )