diff --git a/static/js/app.js b/static/js/app.js
index c91cc84..c3f6aa9 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -112,6 +112,17 @@ function showDBAlert(message) {
 // ===== 标签页切换 =====
 
 function switchTab(tabName) {
+    // 如果想法详情页正在显示，先关闭它回到主视图
+    const thoughtsPage = document.getElementById("thoughtsPage");
+    if (thoughtsPage && thoughtsPage.style.display !== "none") {
+        thoughtsPage.style.display = "none";
+        document.getElementById("mainView").style.display = "";
+        currentThoughtsData = null;
+    }
+
+    // 关闭可能打开的弹窗
+    closeModal("bookDetailModal");
+
     document.querySelectorAll(".tab-panel").forEach((panel) => {
         panel.classList.remove("active");
     });