diff --git a/README.md b/README.md
index d6a2409a..29c19bf7 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![使用IntelliJ IDEA开发维护](https://img.shields.io/badge/IntelliJ%20IDEA-提供支持-blue.svg)](https://www.jetbrains.com/?from=RuoYi-Vue-Plus)
 <br>
 [![RuoYi-Vue-Plus](https://img.shields.io/badge/RuoYi_Vue_Plus-4.0.1-success.svg)](https://gitee.com/JavaLionLi/RuoYi-Vue-Plus)
-[![Spring Boot](https://img.shields.io/badge/Spring%20Boot-2.5-blue.svg)]()
+[![Spring Boot](https://img.shields.io/badge/Spring%20Boot-2.6-blue.svg)]()
 [![JDK-8+](https://img.shields.io/badge/JDK-8-green.svg)]()
 [![JDK-11](https://img.shields.io/badge/JDK-11-green.svg)]()
 
diff --git a/ruoyi-ui/src/layout/components/Sidebar/Item.vue b/ruoyi-ui/src/layout/components/Sidebar/Item.vue
index b515f615..be3285df 100644
--- a/ruoyi-ui/src/layout/components/Sidebar/Item.vue
+++ b/ruoyi-ui/src/layout/components/Sidebar/Item.vue
@@ -21,7 +21,11 @@ export default {
     }
 
     if (title) {
-      vnodes.push(<span slot='title'>{(title)}</span>)
+      if (title.length > 5) {
+        vnodes.push(<span slot='title' title={(title)}>{(title)}</span>)
+      } else {
+        vnodes.push(<span slot='title'>{(title)}</span>)
+      }
     }
     return vnodes
   }
diff --git a/ruoyi-ui/src/layout/index.vue b/ruoyi-ui/src/layout/index.vue
index 37d1be69..f048657f 100644
--- a/ruoyi-ui/src/layout/index.vue
+++ b/ruoyi-ui/src/layout/index.vue
@@ -101,6 +101,10 @@ export default {
     width: calc(100% - 54px);
   }
 
+  .sidebarHide .fixed-header {
+    width: 100%;
+  }
+
   .mobile .fixed-header {
     width: 100%;
   }
diff --git a/ruoyi-ui/src/store/modules/app.js b/ruoyi-ui/src/store/modules/app.js
index 57904fdf..3e22d1c1 100644
--- a/ruoyi-ui/src/store/modules/app.js
+++ b/ruoyi-ui/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) {
diff --git a/ruoyi-ui/src/store/modules/user.js b/ruoyi-ui/src/store/modules/user.js
index 917f9163..d67c9a4a 100644
--- a/ruoyi-ui/src/store/modules/user.js
+++ b/ruoyi-ui/src/store/modules/user.js
@@ -51,7 +51,7 @@ const user = {
       return new Promise((resolve, reject) => {
         getInfo().then(res => {
           const user = res.data.user
-          const avatar = user.avatar == "" ? require("@/assets/images/profile.jpg") : user.avatar;
+          const avatar = (user.avatar == "" || user.avatar == null) ? require("@/assets/images/profile.jpg") : user.avatar;
           if (res.data.roles && res.data.roles.length > 0) { // 验证返回的roles是否是一个非空数组
             commit('SET_ROLES', res.data.roles)
             commit('SET_PERMISSIONS', res.data.permissions)