diff --git a/app/src/layout/Model.ts b/app/src/layout/Model.ts
index 7a9125d32..02499228d 100644
--- a/app/src/layout/Model.ts
+++ b/app/src/layout/Model.ts
@@ -61,11 +61,6 @@ export class Model {
             }
         };
         ws.onclose = (ev) => {
-            if (!window.errorStack) {
-                window.errorStack = []
-            }
-            window.errorStack.push({onclose: ev})
-            console.log(window.errorStack)
             if (0 <= ev.reason.indexOf("unauthenticated")) {
                 return;
             }
@@ -82,11 +77,6 @@ export class Model {
             }
         };
         ws.onerror = (err: Event & { target: { url: string, readyState: number } }) => {
-            if (!window.errorStack) {
-                window.errorStack = []
-            }
-            window.errorStack.push({"onerror": err})
-            console.log(window.errorStack)
             if (err.target.url.endsWith("&type=main") && err.target.readyState === 3) {
                 kernelError();
             }
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index 7dc97fea2..27a2bd9a6 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -28,7 +28,6 @@ type TEventBus = "ws-main" | "click-blockicon" | "click-editorcontent" | "click-
 declare module "blueimp-md5"
 
 interface Window {
-    errorStack: any
     dataLayer: any[]
     siyuan: ISiyuan
     webkit: any