diff --git a/routes/admin.py b/routes/admin.py
index 0ae0c8b..d8b75c6 100644
--- a/routes/admin.py
+++ b/routes/admin.py
@@ -444,9 +444,17 @@ async def validate_all_accounts(_: bool = Depends(verify_admin)):
 # 账号 API 测试（实际发送请求）
 # ----------------------------------------------------------------------
 async def test_account_api(account: dict, model: str = "deepseek-chat", message: str = "") -> dict:
-    """测试单个账号的 API 调用能力（通过创建会话验证）"""
+    """测试单个账号的 API 调用能力
+    
+    如果提供 message，会发送实际请求并返回 AI 回复；
+    否则只快速测试创建会话。
+    """
     from curl_cffi import requests as cffi_requests
-    from core.deepseek import DEEPSEEK_CREATE_SESSION_URL, BASE_HEADERS
+    from core.deepseek import DEEPSEEK_CREATE_SESSION_URL, DEEPSEEK_COMPLETION_URL, BASE_HEADERS
+    from core.pow import get_pow_response, compute_pow_answer, WASM_PATH
+    from core.config import WASM_PATH
+    from core.models import get_model_config
+    import json
     
     acc_id = get_account_identifier(account)
     result = {
@@ -493,9 +501,145 @@ async def test_account_api(account: dict, model: str = "deepseek-chat", message:
             account["token"] = ""
             return result
         
+        session_id = session_data.get("data", {}).get("biz_data", {}).get("id")
+        
+        # 如果没有消息，只测试会话创建
+        if not message.strip():
+            result["success"] = True
+            result["message"] = "API 测试成功（仅会话创建）"
+            result["response_time"] = round((time.time() - start_time) * 1000)
+            return result
+        
+        # 获取 PoW
+        pow_url = "https://chat.deepseek.com/api/v0/chat/create_pow_challenge"
+        pow_resp = cffi_requests.post(
+            pow_url,
+            headers=headers,
+            json={"target_path": "/api/v0/chat/completion"},
+            timeout=30,
+            impersonate="safari15_3",
+        )
+        
+        pow_data = pow_resp.json()
+        if pow_data.get("code") != 0:
+            result["message"] = f"获取 PoW 失败: {pow_data.get('msg')}"
+            return result
+        
+        # 计算 PoW 答案
+        import base64
+        challenge = pow_data["data"]["biz_data"]["challenge"]
+        try:
+            answer = compute_pow_answer(
+                challenge["algorithm"],
+                challenge["challenge"],
+                challenge["salt"],
+                challenge.get("difficulty", 144000),
+                challenge.get("expire_at", 1680000000),
+                challenge["signature"],
+                challenge["target_path"],
+                WASM_PATH,
+            )
+        except Exception as e:
+            result["message"] = f"PoW 计算失败: {str(e)}"
+            return result
+        
+        pow_dict = {
+            "algorithm": challenge["algorithm"],
+            "challenge": challenge["challenge"],
+            "salt": challenge["salt"],
+            "answer": answer,
+            "signature": challenge["signature"],
+            "target_path": challenge["target_path"],
+        }
+        pow_str = json.dumps(pow_dict, separators=(",", ":"), ensure_ascii=False)
+        pow_header = base64.b64encode(pow_str.encode("utf-8")).decode("utf-8").rstrip()
+        
+        # 准备请求参数
+        thinking_enabled, search_enabled = get_model_config(model)
+        if thinking_enabled is None:
+            thinking_enabled = False
+            search_enabled = False
+        
+        # 发送实际请求
+        payload = {
+            "chat_session_id": session_id,
+            "prompt": f"<｜User｜>{message}",
+            "ref_file_ids": [],
+            "thinking_enabled": thinking_enabled,
+            "search_enabled": search_enabled,
+        }
+        
+        completion_headers = {**headers, "x-ds-pow-response": pow_header}
+        
+        completion_resp = cffi_requests.post(
+            DEEPSEEK_COMPLETION_URL,
+            headers=completion_headers,
+            json=payload,
+            impersonate="safari15_3",
+            timeout=60,
+            stream=True,
+        )
+        
+        if completion_resp.status_code != 200:
+            result["message"] = f"请求失败: HTTP {completion_resp.status_code}"
+            return result
+        
+        # 收集响应
+        thinking_parts = []
+        content_parts = []
+        
+        for line in completion_resp.iter_lines():
+            if not line:
+                continue
+            try:
+                line_str = line.decode("utf-8")
+            except:
+                continue
+            
+            if not line_str.startswith("data:"):
+                continue
+            
+            data_str = line_str[5:].strip()
+            if data_str == "[DONE]":
+                break
+            
+            try:
+                chunk = json.loads(data_str)
+                if "v" in chunk:
+                    v_value = chunk["v"]
+                    path = chunk.get("p", "")
+                    
+                    # 跳过搜索状态
+                    if path == "response/search_status":
+                        continue
+                    
+                    # 判断内容类型
+                    ptype = "text"
+                    if "thinking" in path:
+                        ptype = "thinking"
+                    
+                    if isinstance(v_value, str):
+                        if v_value == "FINISHED":
+                            break
+                        # 收集内容
+                        if ptype == "thinking":
+                            thinking_parts.append(v_value)
+                        else:
+                            content_parts.append(v_value)
+                    elif isinstance(v_value, list):
+                        for item in v_value:
+                            if item.get("p") == "status" and item.get("v") == "FINISHED":
+                                break
+            except:
+                continue
+        
+        completion_resp.close()
+        
         result["success"] = True
-        result["message"] = "API 测试成功"
         result["response_time"] = round((time.time() - start_time) * 1000)
+        result["message"] = "".join(content_parts) or "（无回复内容）"
+        if thinking_parts:
+            result["thinking"] = "".join(thinking_parts)
         
     except Exception as e:
         result["message"] = f"测试失败: {str(e)}"