diff --git a/src/renderer/src/config/models/__tests__/reasoning.test.ts b/src/renderer/src/config/models/__tests__/reasoning.test.ts
index 0f58be4ef0..5173eed9f0 100644
--- a/src/renderer/src/config/models/__tests__/reasoning.test.ts
+++ b/src/renderer/src/config/models/__tests__/reasoning.test.ts
@@ -1368,7 +1368,9 @@ describe('findTokenLimit', () => {
     { modelId: 'qwen-plus-ultra', expected: { min: 0, max: 81_920 } },
     { modelId: 'qwen-turbo-pro', expected: { min: 0, max: 38_912 } },
     { modelId: 'qwen-flash-lite', expected: { min: 0, max: 81_920 } },
-    { modelId: 'qwen3-7b', expected: { min: 1_024, max: 38_912 } }
+    { modelId: 'qwen3-7b', expected: { min: 1_024, max: 38_912 } },
+    { modelId: 'Baichuan-M2', expected: { min: 0, max: 30_000 } },
+    { modelId: 'baichuan-m2', expected: { min: 0, max: 30_000 } }
   ]
 
   it.each(cases)('returns correct limits for $modelId', ({ modelId, expected }) => {
diff --git a/src/renderer/src/config/models/default.ts b/src/renderer/src/config/models/default.ts
index 408c047639..1c15064a11 100644
--- a/src/renderer/src/config/models/default.ts
+++ b/src/renderer/src/config/models/default.ts
@@ -713,6 +713,30 @@ export const SYSTEM_MODELS: Record<SystemProviderId | 'defaultModel', Model[]> =
       provider: 'baichuan',
       name: 'Baichuan3 Turbo 128k',
       group: 'Baichuan3'
+    },
+    {
+      id: 'Baichuan4-Turbo',
+      provider: 'baichuan',
+      name: 'Baichuan4 Turbo',
+      group: 'Baichuan4'
+    },
+    {
+      id: 'Baichuan4-Air',
+      provider: 'baichuan',
+      name: 'Baichuan4 Air',
+      group: 'Baichuan4'
+    },
+    {
+      id: 'Baichuan-M2',
+      provider: 'baichuan',
+      name: 'Baichuan M2',
+      group: 'Baichuan-M2'
+    },
+    {
+      id: 'Baichuan-M2-Plus',
+      provider: 'baichuan',
+      name: 'Baichuan M2 Plus',
+      group: 'Baichuan-M2'
     }
   ],
   modelscope: [
diff --git a/src/renderer/src/config/models/reasoning.ts b/src/renderer/src/config/models/reasoning.ts
index b2b6119b76..0b42ed0934 100644
--- a/src/renderer/src/config/models/reasoning.ts
+++ b/src/renderer/src/config/models/reasoning.ts
@@ -640,6 +640,16 @@ export const isMiniMaxReasoningModel = (model?: Model): boolean => {
   return (['minimax-m1', 'minimax-m2', 'minimax-m2.1'] as const).some((id) => modelId.includes(id))
 }
 
+export const isBaichuanReasoningModel = (model?: Model): boolean => {
+  if (!model) {
+    return false
+  }
+  const modelId = getLowerBaseModelName(model.id, '/')
+
+  // 只有 Baichuan-M2 是推理模型（注意：M2-Plus 不是推理模型）
+  return modelId.includes('baichuan-m2') && !modelId.includes('plus')
+}
+
 export function isReasoningModel(model?: Model): boolean {
   if (!model || isEmbeddingModel(model) || isRerankModel(model) || isTextToImageModel(model)) {
     return false
@@ -675,6 +685,7 @@ export function isReasoningModel(model?: Model): boolean {
     isLingReasoningModel(model) ||
     isMiniMaxReasoningModel(model) ||
     isMiMoReasoningModel(model) ||
+    isBaichuanReasoningModel(model) ||
     modelId.includes('magistral') ||
     modelId.includes('pangu-pro-moe') ||
     modelId.includes('seed-oss') ||
@@ -718,7 +729,10 @@ const THINKING_TOKEN_MAP: Record<string, { min: number; max: number }> = {
   '(?:anthropic\\.)?claude-opus-4(?:[.-]0)?(?:[@-](?:\\d{4,}|[a-z][\\w-]*))?(?:-v\\d+:\\d+)?$': {
     min: 1024,
     max: 32_000
-  }
+  },
+
+  // Baichuan models
+  'baichuan-m2$': { min: 0, max: 30_000 }
 }
 
 export const findTokenLimit = (modelId: string): { min: number; max: number } | undefined => {
diff --git a/src/renderer/src/config/providers.ts b/src/renderer/src/config/providers.ts
index f49794aaa7..f38fd2b163 100644
--- a/src/renderer/src/config/providers.ts
+++ b/src/renderer/src/config/providers.ts
@@ -1025,7 +1025,7 @@ export const PROVIDER_URLS: Record<SystemProviderId, ProviderUrls> = {
       official: 'https://www.baichuan-ai.com/',
       apiKey: 'https://platform.baichuan-ai.com/console/apikey',
       docs: 'https://platform.baichuan-ai.com/docs',
-      models: 'https://platform.baichuan-ai.com/price'
+      models: 'https://platform.baichuan-ai.com/prices'
     }
   },
   modelscope: {