diff --git a/src/layout/index.vue b/src/layout/index.vue
index c44e3fb..8d59143 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -98,6 +98,10 @@ function setLayout() {
   width: calc(100% - 54px);
 }
 
+.sidebarHide .fixed-header {
+  width: calc(100%);
+}
+
 .mobile .fixed-header {
   width: 100%;
 }
diff --git a/src/store/modules/app.js b/src/store/modules/app.js
index 4bed8ba..468299e 100644
--- a/src/store/modules/app.js
+++ b/src/store/modules/app.js
@@ -12,6 +12,9 @@ const state = {
 
 const mutations = {
   TOGGLE_SIDEBAR: state => {
+    if (state.sidebar.hide) {
+      return false;
+    }
     state.sidebar.opened = !state.sidebar.opened
     state.sidebar.withoutAnimation = false
     if (state.sidebar.opened) {