fix(HistoryButton):条件渲染历史按钮

frontend/src/components/workspace/input-box.tsx

@@ -115,7 +115,7 @@ export function InputBox({
     mode: "flash" | "thinking" | "pro" | "ultra" | undefined;
   };
   extraHeader?: React.ReactNode;
-  showWelcomeStyle?: boolean;
+  showWelcomeStyle: boolean;
   hasSubmitted?: boolean;
   initialValue?: string;
   onContextChange?: (
@@ -376,11 +376,11 @@ export function InputBox({
               />
             </PromptInputActionMenuContent>
           </PromptInputActionMenu> */}
-            <HistoryButton
+            {showWelcomeStyle && <HistoryButton
               className="px-2!"
               router={router}
               threadId={threadIdFromProps}
-            />
+            />}
             <AddAttachmentsButton className="px-2!" />
             <IframeSkillDialogButton
               className="px-2!"