diff --git a/astrbot/core/provider/sources/anthropic_source.py b/astrbot/core/provider/sources/anthropic_source.py
index 27cc459622..e9dfbc3d8d 100644
--- a/astrbot/core/provider/sources/anthropic_source.py
+++ b/astrbot/core/provider/sources/anthropic_source.py
@@ -131,7 +131,11 @@ def _create_http_client(self, provider_config: dict) -> httpx.AsyncClient | None
         try:
             from anthropic import _base_client as anthropic_base_client
 
-            httpx_module = getattr(anthropic_base_client, "httpx", httpx)
+            httpx_module = getattr(
+                anthropic_base_client,
+                "httpx2",
+                getattr(anthropic_base_client, "httpx", httpx),
+            )
         except ImportError:
             pass
         return create_proxy_client(
diff --git a/tests/test_anthropic_kimi_code_provider.py b/tests/test_anthropic_kimi_code_provider.py
index 0dc33f58ba..d54894a05f 100644
--- a/tests/test_anthropic_kimi_code_provider.py
+++ b/tests/test_anthropic_kimi_code_provider.py
@@ -137,7 +137,13 @@ def fake_create_proxy_client(
     assert captured["provider_label"] == "Anthropic"
     assert captured["proxy"] == "http://127.0.0.1:7890"
     assert captured["headers"] == {"X-Trace-Id": "trace-1"}
-    assert captured["httpx_module"] is anthropic_base_client.httpx
+    sdk_httpx = getattr(
+        anthropic_base_client,
+        "httpx2",
+        getattr(anthropic_base_client, "httpx", None),
+    )
+    assert sdk_httpx is not None
+    assert captured["httpx_module"] is sdk_httpx
 
 
 def test_create_http_client_falls_back_to_global_httpx_module(monkeypatch):