diff --git a/frontend/components/analysis/AnalysisForm.tsx b/frontend/components/analysis/AnalysisForm.tsx
index eb28f537..ccff22a7 100644
--- a/frontend/components/analysis/AnalysisForm.tsx
+++ b/frontend/components/analysis/AnalysisForm.tsx
@@ -35,9 +35,9 @@ const formSchema = z.object({
   ticker: z.string().min(1, "股票代碼為必填").max(10),
   analysis_date: z.string().regex(/^\d{4}-\d{2}-\d{2}$/, "日期格式必須為 YYYY-MM-DD"),
   analysts: z.array(z.string()).min(1, "請至少選擇一位分析師"),
-  research_depth: z.number().min(1).max(5),
-  deep_think_llm: z.string(), 
-  quick_think_llm: z.string(),
+  research_depth: z.number().int().min(1).max(5),
+  shallow_thinking_agent: z.string().min(1, "請選擇快速思維模型"), 
+  deep_thinking_agent: z.string().min(1, "請選擇深層思維模型"),
   
   // API Configuration
   openai_api_key: z.string().min(20, "請輸入有效的 OpenAI API Key"),
@@ -64,9 +64,9 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
       ticker: "NVDA",
       analysis_date: format(new Date(), "yyyy-MM-dd"),
       analysts: ["market", "social", "news", "fundamentals"], // 預設全選
-      research_depth: 1,
-      deep_think_llm: "gpt-4o-mini",
-      quick_think_llm: "gpt-4o-mini",
+      research_depth: 3, // 預設中等層級
+      shallow_thinking_agent: "gpt-4o-mini",
+      deep_thinking_agent: "gpt-4o",
       openai_api_key: "",
       openai_base_url: "https://api.openai.com/v1",
       alpha_vantage_api_key: "",
@@ -161,6 +161,36 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                 />
               </div>
 
+              {/* 研究深度 */}
+              <FormField
+                control={form.control}
+                name="research_depth"
+                render={({ field }) => (
+                  <FormItem className="md:col-span-2">
+                    <FormLabel>研究深度</FormLabel>
+                    <Select
+                      onValueChange={(value) => field.onChange(parseInt(value))}
+                      defaultValue={field.value.toString()}
+                    >
+                      <FormControl>
+                        <SelectTrigger>
+                          <SelectValue placeholder="選擇研究深度" />
+                        </SelectTrigger>
+                      </FormControl>
+                      <SelectContent>
+                        <SelectItem value="1">淺層 - 快速研究，較少的譯論和策略討論</SelectItem>
+                        <SelectItem value="3">中等 - 中等程度，適度的譯論和策略討論</SelectItem>
+                        <SelectItem value="5">深層 - 全面研究，深入的譯論和策略討論</SelectItem>
+                      </SelectContent>
+                    </Select>
+                    <FormDescription>
+                      選擇分析的深度和完整性
+                    </FormDescription>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
+
               <FormField
                 control={form.control}
                 name="ticker"
@@ -226,12 +256,13 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                 )}
               />
 
+              {/* 深層思維模型 */}
               <FormField
                 control={form.control}
-                name="deep_think_llm"
+                name="deep_thinking_agent"
                 render={({ field }) => (
                   <FormItem>
-                    <FormLabel>深度思考模型</FormLabel>
+                    <FormLabel>深層思維模型</FormLabel>
                     <Select onValueChange={field.onChange} defaultValue={field.value}>
                       <FormControl>
                         <SelectTrigger>
@@ -255,6 +286,37 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                   </FormItem>
                 )}
               />
+              
+              {/* 快速思維模型 */}
+              <FormField
+                control={form.control}
+                name="shallow_thinking_agent"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel>快速思維模型</FormLabel>
+                    <Select onValueChange={field.onChange} defaultValue={field.value}>
+                      <FormControl>
+                        <SelectTrigger>
+                          <SelectValue placeholder="選擇模型" />
+                        </SelectTrigger>
+                      </FormControl>
+                      <SelectContent>
+                        <SelectItem value="gpt-5.1-2025-11-13">GPT-5.1</SelectItem>
+                        <SelectItem value="gpt-5-mini-2025-08-07">GPT-5 Mini</SelectItem>
+                        <SelectItem value="gpt-5-nano-2025-08-07">GPT-5 Nano</SelectItem>
+                        <SelectItem value="gpt-4.1-mini">GPT-4.1 Mini</SelectItem>
+                        <SelectItem value="gpt-4.1-nano">GPT-4.1 Nano</SelectItem>
+                        <SelectItem value="gpt-4o">GPT-4o</SelectItem>
+                        <SelectItem value="gpt-4o-mini">GPT-4o Mini</SelectItem>
+                      </SelectContent>
+                    </Select>
+                    <FormDescription>
+                      用於快速回應的模型
+                    </FormDescription>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
             </div>
 
             {/* API Configuration Section */}
diff --git a/frontend/lib/types.ts b/frontend/lib/types.ts
index b8a1c799..8bc68be9 100644
--- a/frontend/lib/types.ts
+++ b/frontend/lib/types.ts
@@ -7,8 +7,8 @@ export interface AnalysisRequest {
   analysis_date: string;
   analysts?: string[];
   research_depth?: number;
-  deep_think_llm?: string;
-  quick_think_llm?: string;
+  shallow_thinking_agent?: string;
+  deep_thinking_agent?: string;
   
   // API Configuration
   openai_api_key: string;