diff --git a/components/ChatInputBox/ChatInputBox.tsx b/components/ChatInputBox/ChatInputBox.tsx
index a0113b7..7d18121 100644
--- a/components/ChatInputBox/ChatInputBox.tsx
+++ b/components/ChatInputBox/ChatInputBox.tsx
@@ -796,29 +796,20 @@ const RenderTemplateStoryMode = ({
             <div className="py-2 flex-1">
               <input
                 type="text"
-                value={selectedTemplate?.freeInputItem?.free_input_text}
+                value={selectedTemplate?.freeInputItem?.free_input_text || ""}
                 placeholder="How is coffee made?"
                 className="w-full px-3 py-2 pr-16 bg-white/0 border border-white/10 rounded-lg text-white placeholder-gray-400 focus:outline-none focus:border-blue-500 focus:ring-1 focus:ring-blue-500/30 transition-all duration-200 text-sm"
                 onChange={(e) => {
-                  const value = e.target.value;
-                  // 限制输入长度为500字符
-                  if (value.length > 500) {
-                    return;
-                  }
-                  // 立即更新UI显示
-                  if (!selectedTemplate?.freeInputItem) return;
-                  const updatedTemplate: StoryTemplateEntity = {
-                    ...selectedTemplate,
+                  // 更新自由输入文字字段
+                  const updatedTemplate = {
+                    ...selectedTemplate!,
                     freeInputItem: {
-                      ...selectedTemplate.freeInputItem,
-                      free_input_text: value
+                      ...selectedTemplate!.freeInputItem,
+                      free_input_text: e.target.value
                     }
                   };
-                  setSelectedTemplate(updatedTemplate);
-                  // 使用防抖函数处理实际的状态更新
-                  debouncedUpdateInput(value);
+                  setSelectedTemplate(updatedTemplate as StoryTemplateEntity);
                 }}
-                maxLength={500}
               />
             </div>
           )}