diff --git a/src/renderer/src/config/models/default.ts b/src/renderer/src/config/models/default.ts
index 87c2caa457..f90a506c47 100644
--- a/src/renderer/src/config/models/default.ts
+++ b/src/renderer/src/config/models/default.ts
@@ -743,6 +743,12 @@ export const SYSTEM_MODELS: Record<SystemProviderId | 'defaultModel', Model[]> =
       provider: 'baichuan',
       name: 'Baichuan M3',
       group: 'Baichuan-M3'
+    },
+    {
+      id: 'Baichuan-M3-Plus',
+      provider: 'baichuan',
+      name: 'Baichuan M3 Plus',
+      group: 'Baichuan-M3'
     }
   ],
   modelscope: [
diff --git a/src/renderer/src/config/models/reasoning.ts b/src/renderer/src/config/models/reasoning.ts
index 93b57c49ba..9e61acd787 100644
--- a/src/renderer/src/config/models/reasoning.ts
+++ b/src/renderer/src/config/models/reasoning.ts
@@ -646,8 +646,8 @@ export const isBaichuanReasoningModel = (model?: Model): boolean => {
   }
   const modelId = getLowerBaseModelName(model.id, '/')
 
-  // Baichuan-M2 和 Baichuan-M3 是推理模型（注意：M2-Plus 不是推理模型）
-  return (modelId.includes('baichuan-m2') && !modelId.includes('plus')) || modelId.includes('baichuan-m3')
+  // Baichuan-M2 和 Baichuan-M3 是推理模型
+  return modelId === 'baichuan-m2' || modelId === 'baichuan-m3'
 }
 
 export function isReasoningModel(model?: Model): boolean {