diff --git a/app/src/window/openNewWindow.ts b/app/src/window/openNewWindow.ts
index 7427482df..e268f6d46 100644
--- a/app/src/window/openNewWindow.ts
+++ b/app/src/window/openNewWindow.ts
@@ -26,7 +26,8 @@ export const openNewWindow = (tab: Tab, options: windowOptions = {}) => {
         width: options.width,
         height: options.height,
         id: getCurrentWindow().id,
-        url: `${window.location.protocol}//${window.location.host}/stage/build/app/window.html?v=${Constants.SIYUAN_VERSION}&json=${JSON.stringify(json)}`
+        // 需要 encode， 否则 https://github.com/siyuan-note/siyuan/issues/9343
+        url: `${window.location.protocol}//${window.location.host}/stage/build/app/window.html?v=${Constants.SIYUAN_VERSION}&json=${encodeURIComponent(JSON.stringify(json))}`
     });
     /// #endif
     tab.parent.removeTab(tab.id);
@@ -66,7 +67,7 @@ export const openNewWindowById = (id: string, options: windowOptions = {}) => {
                     width: options.width,
                     height: options.height,
                     id: getCurrentWindow().id,
-                    url: `${window.location.protocol}//${window.location.host}/stage/build/app/window.html?v=${Constants.SIYUAN_VERSION}&json=${JSON.stringify(json)}`
+                    url: `${window.location.protocol}//${window.location.host}/stage/build/app/window.html?v=${Constants.SIYUAN_VERSION}&json=${encodeURIComponent(JSON.stringify(json))}`
                 });
                 /// #endif
             });
@@ -81,7 +82,7 @@ export const openNewWindowById = (id: string, options: windowOptions = {}) => {
                 width: options.width,
                 height: options.height,
                 id: getCurrentWindow().id,
-                url: `${window.location.protocol}//${window.location.host}/stage/build/app/window.html?v=${Constants.SIYUAN_VERSION}&json=${JSON.stringify(json)}`
+                url: `${window.location.protocol}//${window.location.host}/stage/build/app/window.html?v=${Constants.SIYUAN_VERSION}&json=${encodeURIComponent(JSON.stringify(json))}`
             });
             /// #endif
         }