diff --git a/frontend/src/components/Assistant.vue b/frontend/src/components/Assistant.vue
index af80a20..9e11394 100644
--- a/frontend/src/components/Assistant.vue
+++ b/frontend/src/components/Assistant.vue
@@ -1,7 +1,17 @@
 <template>
-	<div
-		class="h-[calc(100vh-3.5rem)] flex flex-col box-border p-3 overflow-y-auto w-80 overflow-x-hidden border-gray-200 border-l"
-		ref="chatContainer">
+	<div :class="[
+      'fixed top-0 right-0 h-full z-50 bg-white shadow-lg transform transition-transform duration-300 ease-in-out',
+      'flex flex-col box-border overflow-y-auto w-full sm:w-96',
+      isVisible ? 'translate-x-0' : 'translate-x-full'
+    ]" ref="chatContainer">
+		<div class="flex items-center justify-between p-3 border-b">
+			<h2 class="text-lg font-semibold text-gray-900">助手</h2>
+			<button @click="closeAssistant" class="text-gray-500 hover:text-gray-700">
+				<svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+					<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
+				</svg>
+			</button>
+		</div>
 		<div class="flex flex-col gap-y-5 flex-1 pb-2">
 			<li v-for="chatElement in messages" :key="chatElement.content"
 				:class="['flex items-start gap-2.5', chatElement.isUser ? 'flex-row-reverse max-w-full break-words' : 'flex-row']">
@@ -319,6 +329,16 @@ onMounted(async () => {
 		},
 	);
 });
+
+const props = defineProps<{
+	isVisible: boolean;
+}>();
+
+const emit = defineEmits(['close']);
+
+const closeAssistant = () => {
+	emit('close');
+};
 </script>
 
 <style lang="css">
diff --git a/frontend/src/components/Button.vue b/frontend/src/components/Button.vue
index fa3cfff..afb8bea 100644
--- a/frontend/src/components/Button.vue
+++ b/frontend/src/components/Button.vue
@@ -1,5 +1,5 @@
 <template>
-  <button :disabled="disabled" @click="handleClick" type="button" :class="[
+	<button :disabled="disabled" @click="handleClick" type="button" :class="[
     'text-white',
     'focus:ring-4',
     'focus:outline-none',
@@ -12,18 +12,20 @@
     isLoading && !abortable ? 'bg-blue-400 cursor-not-allowed' : 'bg-blue-700 hover:bg-blue-800',
     sizeClasses
   ]">
-    <LoadingIcon v-if="isLoading && !abortable" :class="iconSizeClasses" />
-    <StopIcon v-else-if="isLoading && abortable" :class="iconSizeClasses" />
-    <span v-if="iconOnly && isLoading" class="sr-only">{{ loadingContent }}</span>
-    <span v-else-if="iconOnly && !isLoading" class="sr-only">{{ submitContent }}</span>
-    <template v-else>
-      {{ isLoading ? loadingContent : submitContent }}
-    </template>
-  </button>
+		<LoadingIcon v-if="isLoading && !abortable" :class="[iconSizeClasses, iconOnly ? '' : 'me-2']" />
+		<StopIcon v-else-if="isLoading && abortable" :class="[iconSizeClasses, iconOnly ? '' : 'me-2']" />
+		<slot v-else-if="!isLoading && $slots.icon" name="icon" :iconSizeClasses="iconSizeClasses"></slot>
+
+		<span v-if="iconOnly && isLoading" class="sr-only">{{ loadingContent }}</span>
+		<span v-else-if="iconOnly && !isLoading && !$slots.icon" class="sr-only">{{ submitContent }}</span>
+		<template v-else-if="!iconOnly">
+			{{ isLoading ? loadingContent : submitContent }}
+		</template>
+	</button>
 </template>
 
 <script setup lang="ts">
-import { computed } from "vue";
+import { computed, useSlots } from "vue";
 import LoadingIcon from "./icons/LoadingIcon.vue";
 import StopIcon from "./icons/StopIcon.vue";
 
@@ -37,8 +39,10 @@ const props = defineProps<{
 	iconOnly?: boolean;
 }>();
 
+const slots = useSlots();
+
 const sizeClasses = computed(() => {
-	if (props.iconOnly) {
+	if (props.iconOnly && slots.icon) {
 		switch (props.size) {
 			case 'xs': return 'p-1.5';
 			case 'sm': return 'p-2';
@@ -60,11 +64,11 @@ const sizeClasses = computed(() => {
 const iconSizeClasses = computed(() => {
 	switch (props.size) {
 		case 'xs': return 'w-3 h-3';
-		case 'sm': return 'w-3.5 h-3.5';
+		case 'sm': return 'w-4 h-4';
 		case 'lg': return 'w-5 h-5';
 		case 'xl': return 'w-6 h-6';
 		default:
-			return 'w-4 h-4';
+			return 'w-5 h-5';
 	}
 });
 
diff --git a/frontend/src/components/Dashboard.vue b/frontend/src/components/Dashboard.vue
index a4c2416..3c578a2 100644
--- a/frontend/src/components/Dashboard.vue
+++ b/frontend/src/components/Dashboard.vue
@@ -1,14 +1,13 @@
 <template>
   <Headbar :changeAssistantVisible="changeAssistantVisible"></Headbar>
-  <Sidebar>
-  </Sidebar>
+  <Sidebar />
   <div class="flex flex-row h-[calc(100vh-3.5rem)] mt-14">
     <article class="flex-1 sm:ml-44 overflow-y-auto">
       <RouterView></RouterView>
     </article>
-    <Assistant v-if="isAssistantVisible"></Assistant>
+    <!-- Assistant is now fixed positioned and controlled by isAssistantVisible -->
   </div>
-
+  <Assistant :isVisible="isAssistantVisible" @close="changeAssistantVisible"></Assistant>
 </template>
 
 <script setup lang="ts">
diff --git a/frontend/src/components/Sidebar.vue b/frontend/src/components/Sidebar.vue
index 0dab800..1d2180d 100644
--- a/frontend/src/components/Sidebar.vue
+++ b/frontend/src/components/Sidebar.vue
@@ -1,7 +1,7 @@
 <template>
 	<aside id="logo-sidebar"
-		class="fixed top-0 left-0 z-30 px-1 w-44 min-h-screen overflow-y-auto pt-20 transition-transform -translate-x-full bg-white border-r border-gray-200 sm:translate-x-0  "
-		aria-label="Sidebar">
+		class="fixed top-0 left-0 z-30 px-1 w-44 min-h-screen overflow-y-auto pt-20 transition-transform -translate-x-full bg-white border-r border-gray-200 sm:translate-x-0"
+		aria-label="Sidebar" tabindex="-1" data-drawer-backdrop="true">
 		<div class="h-full px-3 pb-4 overflow-y-auto bg-white ">
 			<ul class="space-y-2 font-medium">
 				<li v-for="item in menuItems" :key="item.path">
diff --git a/frontend/src/views/DepartmentView.vue b/frontend/src/views/DepartmentView.vue
index 7eeec22..d90af28 100644
--- a/frontend/src/views/DepartmentView.vue
+++ b/frontend/src/views/DepartmentView.vue
@@ -23,11 +23,15 @@
             @click.prevent="handleSearch">搜索</button>
         </div>
       </form>
-      <button @click="handleUpsertDepartmentClick()"
-        class="flex items-center text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center"
-        type="button">
-        新增部门
-      </button>
+      <Button :handleClick="() => handleUpsertDepartmentClick()" :isLoading="false" :abortable="false"
+        submitContent="新增部门" size="sm" class="w-full sm:w-auto">
+        <template #icon>
+          <svg class="w-4 h-4 me-2" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="none"
+            viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+          </svg>
+        </template>
+      </Button>
     </div>
     <div class="relative overflow-x-auto shadow-md sm:rounded-lg">
       <table class="w-full text-sm text-left rtl:text-right text-gray-500">
@@ -108,6 +112,7 @@
 
 <script setup lang="ts">
 import Breadcrumbs from "@/components/Breadcrumbs.vue";
+import Button from "@/components/Button.vue";
 import DepartmentUpsertModal from "@/components/DepartmentUpsertModal.vue";
 import DepartmentDeleteModal from "@/components/PopupModal.vue";
 import TablePagination from "@/components/TablePagination.vue";
diff --git a/frontend/src/views/PositionView.vue b/frontend/src/views/PositionView.vue
index d18e8d0..f2ed05a 100644
--- a/frontend/src/views/PositionView.vue
+++ b/frontend/src/views/PositionView.vue
@@ -24,11 +24,15 @@
         </div>
       </form>
       <!-- Create Modal toggle -->
-      <button @click="handleUpsertPositionClick()"
-        class="flex items-center text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center"
-        type="button">
-        新增岗位
-      </button>
+      <Button :handleClick="() => handleUpsertPositionClick()" :isLoading="false" :abortable="false"
+        submitContent="新增岗位" size="sm" class="w-full sm:w-auto">
+        <template #icon>
+          <svg class="w-4 h-4 me-2" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="none"
+            viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+          </svg>
+        </template>
+      </Button>
     </div>
 
     <div class="relative overflow-x-auto shadow-md sm:rounded-lg">
@@ -105,6 +109,7 @@
 
 <script setup lang="ts">
 import Breadcrumbs from "@/components/Breadcrumbs.vue";
+import Button from "@/components/Button.vue";
 import PositionDeleteModal from "@/components/PopupModal.vue";
 import PositionUpsertModal from "@/components/PositionUpsertModal.vue";
 import TablePagination from "@/components/TablePagination.vue";
diff --git a/frontend/src/views/RoleView.vue b/frontend/src/views/RoleView.vue
index fe8cf2f..106b32c 100644
--- a/frontend/src/views/RoleView.vue
+++ b/frontend/src/views/RoleView.vue
@@ -24,11 +24,15 @@
         </div>
       </form>
       <!-- Create Modal toggle -->
-      <button @click="handleUpsertRoleClick(undefined)"
-        class="flex items-center text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center"
-        type="button">
-        新增角色
-      </button>
+      <Button :handleClick="() => handleUpsertRoleClick(undefined)" :isLoading="false" :abortable="false"
+        submitContent="新增角色" size="sm" class="w-full sm:w-auto">
+        <template #icon>
+          <svg class="w-4 h-4 me-2" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="none"
+            viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+          </svg>
+        </template>
+      </Button>
     </div>
     <div class="relative overflow-x-auto shadow-md sm:rounded-lg">
       <table class="w-full text-sm text-left rtl:text-right text-gray-500">
@@ -116,6 +120,7 @@
 
 <script setup lang="ts">
 import Breadcrumbs from "@/components/Breadcrumbs.vue";
+import Button from "@/components/Button.vue";
 import RoleDeleteModal from "@/components/PopupModal.vue";
 import RoleUpsertModal from "@/components/RoleUpsertModal.vue";
 import TablePagination from "@/components/TablePagination.vue";
diff --git a/frontend/src/views/UserView.vue b/frontend/src/views/UserView.vue
index 50f7036..2c0d844 100644
--- a/frontend/src/views/UserView.vue
+++ b/frontend/src/views/UserView.vue
@@ -24,11 +24,15 @@
         </div>
       </form>
       <!-- Create Modal toggle -->
-      <button @click="handleUpsertUserClick(undefined)"
-        class="flex items-center text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center"
-        type="button">
-        新增用户
-      </button>
+      <Button :handleClick="() => handleUpsertUserClick(undefined)" :isLoading="false" :abortable="false"
+        submitContent="新增用户" size="sm" class="w-full sm:w-auto">
+        <template #icon>
+          <svg class="w-4 h-4 me-2" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="none"
+            viewBox="0 0 24 24" stroke-width="2" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+          </svg>
+        </template>
+      </Button>
     </div>
     <div class="relative overflow-x-auto shadow-md sm:rounded-lg">
       <table class="w-full text-sm text-left rtl:text-right text-gray-500">
@@ -150,6 +154,7 @@
 
 <script setup lang="ts">
 import Breadcrumbs from "@/components/Breadcrumbs.vue";
+import Button from "@/components/Button.vue";
 import UserDeleteModal from "@/components/PopupModal.vue";
 import SortIcon from "@/components/SortIcon.vue";
 import TablePagination from "@/components/TablePagination.vue";