diff --git a/src-tauri/resources/codex_models/model-catalog.json b/src-tauri/resources/codex_models/model-catalog.json
index fc3602a..516d087 100644
--- a/src-tauri/resources/codex_models/model-catalog.json
+++ b/src-tauri/resources/codex_models/model-catalog.json
@@ -923,12 +923,16 @@
       "description": "DeepSeek V4 Flash with a 1M context window, up to 384K output, thinking mode, and tool calls.",
       "default_reasoning_level": "high",
       "supported_reasoning_levels": [
+        {
+          "effort": "low",
+          "description": "Fast responses with lighter reasoning"
+        },
         {
           "effort": "high",
           "description": "DeepSeek thinking mode"
         },
         {
-          "effort": "xhigh",
+          "effort": "max",
           "description": "Maximum reasoning for complex agent tasks"
         }
       ],
@@ -985,12 +989,16 @@
       "description": "DeepSeek V4 Pro with a 1M context window, up to 384K output, thinking mode, and tool calls.",
       "default_reasoning_level": "high",
       "supported_reasoning_levels": [
+        {
+          "effort": "low",
+          "description": "Fast responses with lighter reasoning"
+        },
         {
           "effort": "high",
           "description": "DeepSeek thinking mode"
         },
         {
-          "effort": "xhigh",
+          "effort": "max",
           "description": "Maximum reasoning for complex agent tasks"
         }
       ],
diff --git a/src-tauri/src/codex_catalog.rs b/src-tauri/src/codex_catalog.rs
index 3a201c4..8604c45 100644
--- a/src-tauri/src/codex_catalog.rs
+++ b/src-tauri/src/codex_catalog.rs
@@ -817,7 +817,7 @@ mod tests {
             assert_eq!(model["context_window"], 1_000_000);
             assert_eq!(model["max_context_window"], 1_000_000);
             assert_eq!(model["default_reasoning_level"], "high");
-            assert_eq!(reasoning_efforts(model), ["high", "xhigh"]);
+            assert_eq!(reasoning_efforts(model), ["low", "high", "max"]);
             assert_eq!(model["input_modalities"], serde_json::json!(["text"]));
             assert_eq!(model["supports_parallel_tool_calls"], false);
             assert_eq!(model["supports_search_tool"], false);
diff --git a/src/pages/ApiAccessPage.tsx b/src/pages/ApiAccessPage.tsx
index 2a80b96..6bd114b 100644
--- a/src/pages/ApiAccessPage.tsx
+++ b/src/pages/ApiAccessPage.tsx
@@ -79,7 +79,7 @@ export type ProviderCategory = ProviderSection | 'deepseek';
 
 export const DEEPSEEK_BASE_URL = 'https://api.deepseek.com';
 export const OPENAI_THINKING_LEVELS = ['low', 'medium', 'high', 'xhigh'] as const;
-export const DEEPSEEK_THINKING_LEVELS = OPENAI_THINKING_LEVELS;
+export const DEEPSEEK_THINKING_LEVELS = ['low', 'high', 'max'] as const;
 
 type ProviderDefinition = {
   id: ProviderCategory;
diff --git a/tests/providerConfig.test.ts b/tests/providerConfig.test.ts
index 358f5da..3e26552 100644
--- a/tests/providerConfig.test.ts
+++ b/tests/providerConfig.test.ts
@@ -52,6 +52,7 @@ describe('API 接入配置合并', () => {
   });
 
   it('DeepSeek 新增预设默认发现全部模型并应用内置思考等级', () => {
+    expect(DEEPSEEK_THINKING_LEVELS).toEqual(['low', 'high', 'max']);
     const draft = createProviderDraft('deepseek');
     const discovered = [
       { name: 'deepseek-chat' },