diff --git a/README.md b/README.md
index 58810448..9ad879a1 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,6 @@
 - 💰 **JSON 轉 Toon 優化** - 將 JSON 數據轉換為 Toon 格式，大幅降低 API 調用開支 [TOON](https://github.com/toon-format/toon)
 - ⬇️ **一鍵下載報告** - 支援將分析結果匯出為 JSON 檔案，方便保存與分享
 
-
 ---
 
 ## 🤖 LLM 模型支援
@@ -60,14 +59,13 @@ TradingAgentsX 支援業界領先的多家 LLM 提供商，並為每個模型配
 | 提供商             | 支援模型                                                                                         | Base URL                                                  | 是否支援自訂端點 |
 | ------------------ | ------------------------------------------------------------------------------------------------ | --------------------------------------------------------- | ---------------- |
 | **OpenAI**         | GPT-5.1, GPT-5 Mini/Nano, GPT-4.1 Mini/Nano, o4-mini                                             | `https://api.openai.com/v1`                               | ✅ 是            |
-| **Anthropic**      | Claude Haiku 4.5, Claude Sonnet 4.5/4.0, Claude 3.5 Haiku, Claude 3 Haiku                        | `https://api.anthropic.com`                           | ✅ 是            |
-| **Gemini**         | Gemini 3 Pro Preview, Gemini 2.5 Pro, Gemini 2.5 Flash, Gemini 2.5 Flash Lite, Gemini 2.0 Flash, Gemini 2.0 Flash Lite | `https://generativelanguage.googleapis.com/v1beta/openai` | ✅ 是            |
+| **Anthropic**      | Claude Haiku 4.5, Claude Sonnet 4.5/4.0, Claude 3.5 Haiku, Claude 3 Haiku                        | `https://api.anthropic.com`                               | ✅ 是            |
+| **Gemini**         | Gemini 2.5 Pro, Gemini 2.5 Flash, Gemini 2.5 Flash Lite, Gemini 2.0 Flash, Gemini 2.0 Flash Lite | `https://generativelanguage.googleapis.com/v1beta/openai` | ✅ 是            |
 | **Grok (xAI)**     | Grok-4.1 Fast, Grok-4 Fast, Grok-4, Grok-3, Grok-3 Mini                                          | `https://api.x.ai/v1`                                     | ✅ 是            |
-| **DeepSeek**       | DeepSeek Reasoner, DeepSeek Chat                                                                 | `https://api.deepseek.com/v1`                                | ✅ 是            |
+| **DeepSeek**       | DeepSeek Reasoner, DeepSeek Chat                                                                 | `https://api.deepseek.com/v1`                             | ✅ 是            |
 | **Qwen (Alibaba)** | Qwen3-Max, Qwen-Plus, Qwen Flash                                                                 | `https://dashscope-intl.aliyuncs.com/compatible-mode/v1`  | ✅ 是            |
 | **自訂端點**       | 上述列表中的模型                                                                                 | 使用者自訂                                                | ✅ 完全支援      |
 
-
 ### 🔧 三層獨立配置
 
 系統支援**三個獨立的 LLM 配置點**，每個都可使用不同的提供商和 API Key：
diff --git a/backend/app/services/trading_service.py b/backend/app/services/trading_service.py
index 172b8f70..ddac9806 100644
--- a/backend/app/services/trading_service.py
+++ b/backend/app/services/trading_service.py
@@ -210,7 +210,6 @@ class TradingService:
             "claude-3-5-haiku-20241022",
             "claude-3-haiku-20240307",
             # Google
-            "gemini-3-pro-preview",
             "gemini-2.5-pro",
             "gemini-2.5-flash",
             "gemini-2.5-flash-lite",
diff --git a/frontend/app/page.tsx b/frontend/app/page.tsx
index e4573f96..9c6d5372 100644
--- a/frontend/app/page.tsx
+++ b/frontend/app/page.tsx
@@ -226,7 +226,7 @@ export default function HomePage() {
           />
           <LLMProviderCard
             name="Google Gemini"
-            models={["Gemini 3 Pro Preview", "Gemini 2.5 Pro/Flash", "Gemini 2.0 Flash"]}
+            models={["Gemini 2.5 Pro/Flash/Lite", "Gemini 2.0 Flash/Lite"]}
             icon="🔵"
           />
           <LLMProviderCard
diff --git a/frontend/components/AgentFlowDiagram.tsx b/frontend/components/AgentFlowDiagram.tsx
index 54fd83ae..a4e7bab2 100644
--- a/frontend/components/AgentFlowDiagram.tsx
+++ b/frontend/components/AgentFlowDiagram.tsx
@@ -259,12 +259,14 @@ function DataSourceCard({
   };
 
   return (
-    <Card className={`p-3 text-center hover-lift animate-slide-up border-2 ${colorClasses[color]}`}>
-      <div className={`inline-flex items-center justify-center w-10 h-10 rounded-full bg-gradient-to-br ${colorClasses[color].split(' ')[0]} ${colorClasses[color].split(' ')[1]} text-white mb-2 shadow-lg`}>
-        {icon}
+    <Card className={`p-3 hover-lift animate-slide-up border-2 ${colorClasses[color]}`}>
+      <div className="flex flex-col items-center justify-center">
+        <div className={`inline-flex items-center justify-center w-10 h-10 rounded-full bg-gradient-to-br ${colorClasses[color].split(' ')[0]} ${colorClasses[color].split(' ')[1]} text-white mb-2 shadow-lg`}>
+          {icon}
+        </div>
+        <h4 className="font-semibold text-xs mb-0.5">{name}</h4>
+        <p className="text-xs text-gray-600 dark:text-gray-400">{description}</p>
       </div>
-      <h4 className="font-semibold text-xs mb-0.5">{name}</h4>
-      <p className="text-xs text-gray-600 dark:text-gray-400">{description}</p>
     </Card>
   );
 }
diff --git a/frontend/components/analysis/AnalysisForm.tsx b/frontend/components/analysis/AnalysisForm.tsx
index b09de4fc..571c93dc 100644
--- a/frontend/components/analysis/AnalysisForm.tsx
+++ b/frontend/components/analysis/AnalysisForm.tsx
@@ -357,9 +357,6 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                           </SelectItem>
 
                           {/* Google */}
-                          <SelectItem value="gemini-3-pro-preview">
-                            Google: Gemini 3 Pro Preview
-                          </SelectItem>
                           <SelectItem value="gemini-2.5-pro">
                             Google: Gemini 2.5 Pro
                           </SelectItem>
@@ -471,9 +468,6 @@ export function AnalysisForm({ onSubmit, loading = false }: AnalysisFormProps) {
                           </SelectItem>
 
                           {/* Google */}
-                          <SelectItem value="gemini-3-pro-preview">
-                            Google: Gemini 3 Pro Preview
-                          </SelectItem>
                           <SelectItem value="gemini-2.5-pro">
                             Google: Gemini 2.5 Pro
                           </SelectItem>