diff --git a/frontend/src/components/form/index.ts b/frontend/src/components/form/index.ts
new file mode 100644
index 0000000..87a49e3
--- /dev/null
+++ b/frontend/src/components/form/index.ts
@@ -0,0 +1,7 @@
+import FormInput from './FormInput.vue';
+import FormSelect from './FormSelect.vue';
+
+export {
+  FormInput,
+  FormSelect
+}; 
diff --git a/frontend/src/components/modals/BaseDialog.vue b/frontend/src/components/modals/BaseDialog.vue
index 88a1d37..a9c9dd4 100644
--- a/frontend/src/components/modals/BaseDialog.vue
+++ b/frontend/src/components/modals/BaseDialog.vue
@@ -29,7 +29,7 @@
 import { Modal, initFlowbite } from "flowbite";
 import { computed, onMounted } from "vue";
 
-export type ModalSize = "xs" | "sm" | "md" | "lg" | "xl";
+export type ModalSize = "xs" | "sm" | "md" | "lg" | "xl" | "2xl" | "3xl" | "4xl" | "5xl" | "6xl" | "7xl";
 
 const props = defineProps<{
 	/** 对话框标题 */
@@ -50,6 +50,12 @@ const maxWidthClass = computed(() => {
 		md: "max-w-md",
 		lg: "max-w-lg",
 		xl: "max-w-xl",
+		"2xl": "max-w-2xl",
+		"3xl": "max-w-3xl",
+		"4xl": "max-w-4xl",
+		"5xl": "max-w-5xl",
+		"6xl": "max-w-6xl",
+		"7xl": "max-w-7xl",
 	};
 
 	return sizes[props.size || "md"];
diff --git a/frontend/src/components/modals/ConfirmationDialog.vue b/frontend/src/components/modals/ConfirmationDialog.vue
index 6fc0941..cb54176 100644
--- a/frontend/src/components/modals/ConfirmationDialog.vue
+++ b/frontend/src/components/modals/ConfirmationDialog.vue
@@ -9,25 +9,33 @@
       <h3 class="mb-4 text-base sm:text-lg font-medium text-gray-800">
         {{ title }}
       </h3>
+      <p v-if="content" class="mb-4 text-sm text-gray-500">{{ content }}</p>
       <div class="flex justify-center items-center space-x-3 sm:space-x-4">
-        <button type="button" @click="onSubmit"
-          class="text-white bg-red-600 hover:bg-red-800 focus:ring-4 focus:outline-none focus:ring-red-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center min-w-[80px]">
+        <Button variant="danger" @click="onSubmit">
           是
-        </button>
-        <button type="button" @click="closeModal"
-          class="py-2.5 px-5 text-sm font-medium text-gray-900 focus:outline-none bg-white rounded-lg border border-gray-200 hover:bg-gray-100 hover:text-blue-700 focus:z-10 focus:ring-4 focus:ring-gray-100 min-w-[80px]">否</button>
+        </Button>
+        <Button variant="secondary" @click="closeModal">
+          否
+        </Button>
       </div>
     </div>
   </BaseDialog>
 </template>
 
 <script setup lang="ts">
+import { Button } from "@/components/ui";
 import BaseDialog from "./BaseDialog.vue";
 
-const { title, id, closeModal, onSubmit } = defineProps<{
+const props = defineProps<{
+	/** 对话框标题 */
 	title: string;
+	/** 对话框内容 */
+	content?: string;
+	/** 对话框ID */
 	id: string;
+	/** 关闭对话框的回调函数 */
 	closeModal: () => void;
+	/** 确认操作的回调函数 */
 	onSubmit: () => Promise<void>;
 }>();
 </script>
diff --git a/frontend/src/components/modals/index.ts b/frontend/src/components/modals/index.ts
new file mode 100644
index 0000000..4ec950a
--- /dev/null
+++ b/frontend/src/components/modals/index.ts
@@ -0,0 +1,23 @@
+import BaseDialog from "./BaseDialog.vue";
+import ConfirmationDialog from "./ConfirmationDialog.vue";
+import DepartmentFormDialog from "./DepartmentFormDialog.vue";
+import LibraryFormDialog from "./LibraryFormDialog.vue";
+import LlmFormDialog from "./LlmFormDialog.vue";
+import PermissionFormDialog from "./PermissionFormDialog.vue";
+import PositionFormDialog from "./PositionFormDialog.vue";
+import RoleFormDialog from "./RoleFormDialog.vue";
+import SchedulerFormDialog from "./SchedulerFormDialog.vue";
+import UserFormDialog from "./UserFormDialog.vue";
+
+export {
+	BaseDialog,
+	ConfirmationDialog,
+	DepartmentFormDialog,
+	LibraryFormDialog,
+	LlmFormDialog,
+	PermissionFormDialog,
+	PositionFormDialog,
+	RoleFormDialog,
+	SchedulerFormDialog,
+	UserFormDialog,
+}; 
diff --git a/frontend/src/components/tables/TableFilterForm.vue b/frontend/src/components/tables/TableFilterForm.vue
index 9011a41..df01516 100644
--- a/frontend/src/components/tables/TableFilterForm.vue
+++ b/frontend/src/components/tables/TableFilterForm.vue
@@ -33,15 +33,15 @@
           </select>
         </div>
       </template>
-      <button type="submit"
-        class="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-3 py-2 min-w-[70px] flex items-center justify-center"
-        @click.prevent="handleSearch">
-        <svg class="w-4 h-4 mr-2" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 20 20">
-          <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-            d="m19 19-4-4m0-7A7 7 0 1 1 1 8a7 7 0 0 1 14 0Z" />
-        </svg>
+      <Button variant="primary" size="sm" @click.prevent="handleSearch">
+        <template #icon>
+          <svg class="w-4 h-4" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 20 20">
+            <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+              d="m19 19-4-4m0-7A7 7 0 1 1 1 8a7 7 0 0 1 14 0Z" />
+          </svg>
+        </template>
         搜索
-      </button>
+      </Button>
     </form>
 
     <!-- 额外操作按钮插槽 -->
@@ -53,6 +53,7 @@
 
 <script setup lang="ts">
 import { onMounted, reactive, watch } from "vue";
+import { Button } from "@/components/ui";
 
 export interface FilterOption {
 	value: string | number | boolean;
diff --git a/frontend/src/components/tables/index.ts b/frontend/src/components/tables/index.ts
new file mode 100644
index 0000000..d2f6cf9
--- /dev/null
+++ b/frontend/src/components/tables/index.ts
@@ -0,0 +1,15 @@
+import MobileCardList from "./MobileCardList.vue";
+import MobileCardListWithCheckbox from "./MobileCardListWithCheckbox.vue";
+import TableButton from "./TableButton.vue";
+import TableFilterForm from "./TableFilterForm.vue";
+import TableFormLayout from "./TableFormLayout.vue";
+import TablePagination from "./TablePagination.vue";
+
+export {
+	MobileCardList,
+	MobileCardListWithCheckbox,
+	TableButton,
+	TableFilterForm,
+	TableFormLayout,
+	TablePagination,
+}; 
diff --git a/frontend/src/components/ui/Avatar.vue b/frontend/src/components/ui/Avatar.vue
index 56b7bf3..d5b4ce6 100644
--- a/frontend/src/components/ui/Avatar.vue
+++ b/frontend/src/components/ui/Avatar.vue
@@ -1,8 +1,7 @@
 <template>
 	<div class="rounded-full border border-gray-200 flex items-center justify-center overflow-hidden flex-shrink-0"
 		:class="sizeClass">
-		<img v-if="processedSrc" :src="processedSrc" class="w-full h-full object-cover" :alt="alt">
-		<div v-else class="w-full h-full bg-gray-100"></div>
+		<img :src="processedSrc" class="w-full h-full object-cover" :alt="alt">
 	</div>
 </template>
 
@@ -10,34 +9,29 @@
 import { getUserAvatarUrl } from "@/utils/avatarUtil";
 import { computed } from "vue";
 
-const {
-	src = "",
-	alt = "用户头像",
-	size = "md",
-} = defineProps<{
+const props = defineProps<{
+	/** 头像图片源 */
 	src?: string;
+	/** 头像替代文本 */
 	alt?: string;
-	size?: "sm" | "md" | "lg";
+	/** 头像尺寸 */
+	size?: "xs" | "sm" | "md" | "lg" | "xl";
 }>();
 
+/** 尺寸样式映射 */
 const sizeClass = computed(() => {
-	switch (size) {
-		case "sm":
-			return "w-8 h-8";
-		case "lg":
-			return "w-12 h-12";
-		default:
-			return "w-10 h-10";
-	}
+	const sizes = {
+		xs: "w-6 h-6",
+		sm: "w-8 h-8",
+		md: "w-10 h-10",
+		lg: "w-12 h-12",
+		xl: "w-16 h-16"
+	};
+	return sizes[props.size || "md"];
 });
 
+/** 处理后的图片源 */
 const processedSrc = computed(() => {
-	if (!src) {
-		return "";
-	}
-	if (src === "/trump.jpg") {
-		return src;
-	}
-	return getUserAvatarUrl(src);
+	return getUserAvatarUrl(props.src);
 });
 </script>
diff --git a/frontend/src/composables/common/index.ts b/frontend/src/composables/common/index.ts
new file mode 100644
index 0000000..70868d1
--- /dev/null
+++ b/frontend/src/composables/common/index.ts
@@ -0,0 +1,6 @@
+import { useErrorHandling } from "./useErrorHandling";
+import { usePagination } from "./usePagination";
+import { useSorting } from "./useSorting";
+import { useStyleSystem } from "./useStyleSystem";
+
+export { useErrorHandling, usePagination, useSorting, useStyleSystem }; 
diff --git a/frontend/src/utils/avatarUtil.ts b/frontend/src/utils/avatarUtil.ts
index 75f3ec0..7aac218 100644
--- a/frontend/src/utils/avatarUtil.ts
+++ b/frontend/src/utils/avatarUtil.ts
@@ -1,5 +1,16 @@
-export const getUserAvatarUrl = (avatar?: string): string | undefined => {
-	if (avatar?.startsWith("/")) {
+/**
+ * 获取用户头像URL
+ * @param avatar 头像路径
+ * @returns 完整的头像URL或默认头像
+ */
+export const getUserAvatarUrl = (avatar?: string): string => {
+	if (!avatar) {
+		return "/trump.jpg"; // 默认头像
+	}
+
+	if (avatar.startsWith("/")) {
 		return `${import.meta.env.VITE_STATIC_URL}${avatar}`;
 	}
+
+	return avatar; // 如果已经是完整URL则直接返回
 };
diff --git a/frontend/src/utils/index.ts b/frontend/src/utils/index.ts
new file mode 100644
index 0000000..6ea2412
--- /dev/null
+++ b/frontend/src/utils/index.ts
@@ -0,0 +1,4 @@
+import { getUserAvatarUrl } from "./avatarUtil";
+import { dayjs, formatDate, formatDateString } from "./dateUtil";
+
+export { getUserAvatarUrl, dayjs, formatDate, formatDateString };