diff --git a/src/router/scrollBehavior.js b/src/router/scrollBehavior.js
index 7121690d..ec301971 100644
--- a/src/router/scrollBehavior.js
+++ b/src/router/scrollBehavior.js
@@ -15,6 +15,8 @@ export function afterEach(to){
 	if(!adminMain){return false}
 	nextTick(()=>{
 		var beforeRoute = store.state.viewTags.viewTags.filter(v => v.fullPath == to.fullPath)[0]
-		adminMain.scrollTop = beforeRoute.scrollTop || 0
+		if(beforeRoute){
+			adminMain.scrollTop = beforeRoute.scrollTop || 0
+		}
 	})
 }
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