diff --git a/.gitignore b/.gitignore
index d501f8dd..4dc2afc9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ Thumbs.db
 # 环境变量
 .env
 config.json
+config.db
 
 # 决策日志
 decision_logs/
diff --git a/web/src/components/AITradersPage.tsx b/web/src/components/AITradersPage.tsx
index b42a79bd..456c7404 100644
--- a/web/src/components/AITradersPage.tsx
+++ b/web/src/components/AITradersPage.tsx
@@ -758,8 +758,7 @@ function CreateTraderModal({
               type="number"
               value={initialBalance}
               onChange={(e) => setInitialBalance(Number(e.target.value))}
-              min="100"
-              max="100000"
+              min="50"
               className="w-full px-3 py-2 rounded"
               style={{ background: '#0B0E11', border: '1px solid #2B3139', color: '#EAECEF' }}
               required