Change the default model to qwen3-max to mitigate output quality issues caused by model downgrading.

mcp/client.go

@@ -81,7 +81,7 @@ func (client *Client) SetQwenAPIKey(apiKey string, customURL string, customModel
 		client.Model = customModel
 		log.Printf("🔧 [MCP] Qwen 使用自定义 Model: %s", customModel)
 	} else {
-		client.Model = "qwen-plus" // 可选: qwen-turbo, qwen-plus, qwen-max
+		client.Model = "qwen3-max" 
 		log.Printf("🔧 [MCP] Qwen 使用默认 Model: %s", client.Model)
 	}
 	// 打印 API Key 的前后各4位用于验证

web/src/components/AITradersPage.tsx

@@ -1095,7 +1095,7 @@ function ModelConfigModal({
                   type="text"
                   value={modelName}
                   onChange={(e) => setModelName(e.target.value)}
-                  placeholder="例如: deepseek-chat, qwen-max, gpt-5"
+                  placeholder="例如: deepseek-chat, qwen3-max, gpt-5"
                   className="w-full px-3 py-2 rounded"
                   style={{ background: '#0B0E11', border: '1px solid #2B3139', color: '#EAECEF' }}
                 />