diff --git a/client/src/pages/ApprovalRulesPage.tsx b/client/src/pages/ApprovalRulesPage.tsx
index 4cc8d54d..2f5dd21f 100644
--- a/client/src/pages/ApprovalRulesPage.tsx
+++ b/client/src/pages/ApprovalRulesPage.tsx
@@ -16,6 +16,9 @@ import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, D
 import { Input } from "../components/ui/input";
 import { Label } from "../components/ui/label";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "../components/ui/table";
+import { toast } from "sonner";
+import { TableSkeleton } from "../components/common/TableSkeleton";
+import { ConfirmDialog } from "../components/common/ConfirmDialog";
 
 const ROLE_OPTIONS: Array<{ code: ApprovalRoleCode; label: string }> = [
   { code: "manager", label: "manager" },
@@ -45,6 +48,7 @@ export function ApprovalRulesPage() {
 
   const [editOpen, setEditOpen] = useState(false);
   const [editRule, setEditRule] = useState<ApprovalRule | null>(null);
+  const [confirmToggleRule, setConfirmToggleRule] = useState<ApprovalRule | null>(null);
 
   const listQuery = useQuery({
     queryKey: ["approval-rules"],
@@ -79,13 +83,12 @@ export function ApprovalRulesPage() {
       setLevel3Role("");
       setEnabled(true);
       setError("");
+      toast.success("规则已创建");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "创建审批规则失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "创建审批规则失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -94,13 +97,12 @@ export function ApprovalRulesPage() {
     onSuccess: async () => {
       await queryClient.invalidateQueries({ queryKey: ["approval-rules"] });
       setError("");
+      toast.success("状态已更新");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "更新审批规则失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "更新审批规则失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -117,13 +119,12 @@ export function ApprovalRulesPage() {
       setEditOpen(false);
       setEditRule(null);
       setError("");
+      toast.success("规则已更新");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "更新审批规则失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "更新审批规则失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -283,7 +284,7 @@ export function ApprovalRulesPage() {
       <Card className="space-y-4 p-6">
         <h3 className="text-base font-semibold text-slate-900">规则列表</h3>
 
-        {listQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {listQuery.isLoading ? <TableSkeleton columns={6} rows={5} /> : null}
 
         {listQuery.isError ? (
           <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">
@@ -348,10 +349,7 @@ export function ApprovalRulesPage() {
                             variant="secondary"
                             type="button"
                             disabled={toggleEnabledMutation.isPending}
-                            onClick={() => {
-                              if (!window.confirm(`确认${rule.enabled ? "停用" : "启用"}该审批规则？`)) return;
-                              toggleEnabledMutation.mutate(rule);
-                            }}
+                            onClick={() => setConfirmToggleRule(rule)}
                           >
                             {rule.enabled ? "停用" : "启用"}
                           </Button>
@@ -372,6 +370,13 @@ export function ApprovalRulesPage() {
         ) : null}
       </Card>
 
+      <ConfirmDialog
+        open={confirmToggleRule !== null}
+        onOpenChange={(open) => { if (!open) setConfirmToggleRule(null); }}
+        title={`确认${confirmToggleRule?.enabled ? "停用" : "启用"}该审批规则？`}
+        onConfirm={() => { if (confirmToggleRule) toggleEnabledMutation.mutate(confirmToggleRule); }}
+      />
+
       <Dialog open={editOpen} onOpenChange={setEditOpen}>
         <DialogContent>
           <DialogHeader>
diff --git a/client/src/pages/AuditLogsPage.tsx b/client/src/pages/AuditLogsPage.tsx
index 81ad6927..bdcfc6e5 100644
--- a/client/src/pages/AuditLogsPage.tsx
+++ b/client/src/pages/AuditLogsPage.tsx
@@ -6,6 +6,7 @@ import { PageHeader } from "../components/common/PageHeader";
 import { Button } from "../components/ui/button";
 import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "../components/ui/dropdown-menu";
 import { downloadBlob } from "../lib/download";
+import { TableSkeleton } from "../components/common/TableSkeleton";
 
 const DEFAULT_PAGE_SIZE = 20;
 
@@ -190,8 +191,8 @@ export function AuditLogsPage() {
             <tbody>
               {loading ? (
                 <tr>
-                  <td className="px-3 py-3 text-slate-500" colSpan={5}>
-                    加载中...
+                  <td colSpan={5} className="p-4">
+                    <TableSkeleton columns={5} rows={5} />
                   </td>
                 </tr>
               ) : null}
diff --git a/client/src/pages/BudgetsPage.tsx b/client/src/pages/BudgetsPage.tsx
index 9adfcd53..5508cb32 100644
--- a/client/src/pages/BudgetsPage.tsx
+++ b/client/src/pages/BudgetsPage.tsx
@@ -10,6 +10,11 @@ import { PageHeader } from "../components/common/PageHeader";
 import { Button } from "../components/ui/button";
 import { Card } from "../components/ui/card";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "../components/ui/table";
+import { toast } from "sonner";
+import { TableSkeleton } from "../components/common/TableSkeleton";
+import { StatusBadge } from "../components/common/StatusBadge";
+import { ConfirmDialog } from "../components/common/ConfirmDialog";
+import { Pagination } from "../components/common/Pagination";
 
 const PAGE_SIZE = 20;
 
@@ -42,6 +47,7 @@ export function BudgetsPage() {
   const [warningThresholdPercent, setWarningThresholdPercent] = useState("80");
   const [formDepartmentId, setFormDepartmentId] = useState("");
   const [error, setError] = useState("");
+  const [confirmArchiveId, setConfirmArchiveId] = useState<{ id: string; code: string } | null>(null);
 
   const queryInput = useMemo<BudgetListQuery>(
     () => ({
@@ -87,9 +93,11 @@ export function BudgetsPage() {
       setWarningThresholdPercent("80");
       setFormDepartmentId("");
       setError("");
+      toast.success("预算池已创建");
     },
     onError: (mutationError) => {
       setError(resolveError(mutationError));
+      toast.error(resolveError(mutationError));
     },
   });
 
@@ -98,9 +106,11 @@ export function BudgetsPage() {
     onSuccess: async () => {
       await queryClient.invalidateQueries({ queryKey: ["budgets"] });
       setError("");
+      toast.success("已归档");
     },
     onError: (mutationError) => {
       setError(resolveError(mutationError));
+      toast.error(resolveError(mutationError));
     },
   });
 
@@ -246,89 +256,81 @@ export function BudgetsPage() {
       <Card className="space-y-3 p-6">
         <h3 className="text-base font-semibold text-slate-900">预算池列表</h3>
 
-        <div className="rounded-lg border border-slate-200">
-          <Table>
-            <TableHeader>
-              <TableRow>
-                <TableHead>编码</TableHead>
-                <TableHead>名称</TableHead>
-                <TableHead>状态</TableHead>
-                <TableHead>期间</TableHead>
-                <TableHead>额度</TableHead>
-                <TableHead>预警阈值</TableHead>
-                <TableHead className="w-28">操作</TableHead>
-              </TableRow>
-            </TableHeader>
-            <TableBody>
-              {(budgetsQuery.data?.items ?? []).length ? (
-                (budgetsQuery.data?.items ?? []).map((item) => (
-                  <TableRow key={item.id}>
-                    <TableCell className="font-medium text-slate-900">{item.code}</TableCell>
-                    <TableCell>{item.name}</TableCell>
-                    <TableCell>{item.status}</TableCell>
-                    <TableCell>
-                      {(item.periodStart ?? "-")} ~ {(item.periodEnd ?? "-")}
-                    </TableCell>
-                    <TableCell>
-                      {item.usedAmount} / {item.allocatedAmount}
-                      <div className="text-xs text-slate-500">剩余 {item.remainingAmount}</div>
-                    </TableCell>
-                    <TableCell>{item.warningThresholdPercent}%</TableCell>
-                    <TableCell>
-                      {canManageBudget && item.status !== "archived" ? (
-                        <Button
-                          size="sm"
-                          type="button"
-                          variant="secondary"
-                          disabled={archiveMutation.isPending}
-                          onClick={() => {
-                            if (!window.confirm(`确认归档预算池 ${item.code} ?`)) return;
-                            archiveMutation.mutate(item.id);
-                          }}
-                        >
-                          归档
-                        </Button>
-                      ) : (
-                        <span className="text-xs text-slate-400">-</span>
-                      )}
-                    </TableCell>
-                  </TableRow>
-                ))
-              ) : (
-                <TableRow>
-                  <TableCell className="py-3 text-slate-500" colSpan={7}>
-                    暂无预算池
-                  </TableCell>
-                </TableRow>
-              )}
-            </TableBody>
-          </Table>
-        </div>
+        {budgetsQuery.isLoading ? <TableSkeleton columns={7} rows={4} /> : null}
 
-        <div className="flex items-center justify-between text-sm">
-          <span>
-            第 {page} / {totalPages} 页
-          </span>
-          <div className="flex gap-2">
-            <Button
-              variant="secondary"
-              type="button"
-              disabled={page <= 1}
-              onClick={() => setPage((current) => Math.max(1, current - 1))}
-            >
-              上一页
-            </Button>
-            <Button
-              variant="secondary"
-              type="button"
-              disabled={page >= totalPages}
-              onClick={() => setPage((current) => Math.min(totalPages, current + 1))}
-            >
-              下一页
-            </Button>
-          </div>
-        </div>
+        {!budgetsQuery.isLoading ? (
+          <>
+            <div className="rounded-lg border border-slate-200">
+              <Table>
+                <TableHeader>
+                  <TableRow>
+                    <TableHead>编码</TableHead>
+                    <TableHead>名称</TableHead>
+                    <TableHead>状态</TableHead>
+                    <TableHead>期间</TableHead>
+                    <TableHead>额度</TableHead>
+                    <TableHead>预警阈值</TableHead>
+                    <TableHead className="w-28">操作</TableHead>
+                  </TableRow>
+                </TableHeader>
+                <TableBody>
+                  {(budgetsQuery.data?.items ?? []).length ? (
+                    (budgetsQuery.data?.items ?? []).map((item) => (
+                      <TableRow key={item.id}>
+                        <TableCell className="font-medium text-slate-900">{item.code}</TableCell>
+                        <TableCell>{item.name}</TableCell>
+                        <TableCell><StatusBadge status={item.status} /></TableCell>
+                        <TableCell>
+                          {(item.periodStart ?? "-")} ~ {(item.periodEnd ?? "-")}
+                        </TableCell>
+                        <TableCell>
+                          {item.usedAmount} / {item.allocatedAmount}
+                          <div className="text-xs text-slate-500">剩余 {item.remainingAmount}</div>
+                        </TableCell>
+                        <TableCell>{item.warningThresholdPercent}%</TableCell>
+                        <TableCell>
+                          {canManageBudget && item.status !== "archived" ? (
+                            <Button
+                              size="sm"
+                              type="button"
+                              variant="secondary"
+                              disabled={archiveMutation.isPending}
+                              onClick={() => setConfirmArchiveId({ id: item.id, code: item.code })}
+                            >
+                              归档
+                            </Button>
+                          ) : (
+                            <span className="text-xs text-slate-400">-</span>
+                          )}
+                        </TableCell>
+                      </TableRow>
+                    ))
+                  ) : (
+                    <TableRow>
+                      <TableCell className="py-3 text-slate-500" colSpan={7}>
+                        暂无预算池
+                      </TableCell>
+                    </TableRow>
+                  )}
+                </TableBody>
+              </Table>
+            </div>
+
+            <Pagination page={page} totalPages={totalPages} onPageChange={setPage} />
+          </>
+        ) : null}
       </Card>
+
+      <ConfirmDialog
+        open={Boolean(confirmArchiveId)}
+        title="确认归档"
+        description={`确认归档预算池 ${confirmArchiveId?.code ?? ""} ?`}
+        variant="destructive"
+        onConfirm={async () => {
+          if (confirmArchiveId) archiveMutation.mutate(confirmArchiveId.id);
+        }}
+        onOpenChange={(open) => { if (!open) setConfirmArchiveId(null); }}
+      />
     </div>
   );
 }
diff --git a/client/src/pages/DashboardPage.tsx b/client/src/pages/DashboardPage.tsx
index b2d63592..64137cb2 100644
--- a/client/src/pages/DashboardPage.tsx
+++ b/client/src/pages/DashboardPage.tsx
@@ -11,6 +11,7 @@ import {
 } from "../api/dashboard";
 import { fetchDepartments } from "../api/departments";
 import { isApiError } from "../api/types";
+import { toast } from "sonner";
 import { useAuth } from "../auth/AuthContext";
 import { hasPermission } from "../auth/permissions";
 import { PageHeader } from "../components/common/PageHeader";
@@ -104,6 +105,10 @@ export function DashboardPage() {
       }),
     onSuccess: (response, format) => {
       downloadBlob(response.blob, response.filename ?? `dashboard-reimbursements.${format}`);
+      toast.success("导出完成");
+    },
+    onError: (err) => {
+      toast.error(err instanceof Error ? err.message : "导出失败");
     },
   });
 
diff --git a/client/src/pages/DelegationsPage.tsx b/client/src/pages/DelegationsPage.tsx
index 76ba9951..31f37729 100644
--- a/client/src/pages/DelegationsPage.tsx
+++ b/client/src/pages/DelegationsPage.tsx
@@ -1,10 +1,13 @@
 import { useMemo, useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { toast } from "sonner";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { isApiError } from "../api/types";
 import { createDelegation, fetchMyDelegations, revokeDelegation } from "../api/delegations";
 import { fetchWorkflowApprovers } from "../api/workflow";
 import { PageHeader } from "../components/common/PageHeader";
+import { TableSkeleton } from "../components/common/TableSkeleton";
+import { StatusBadge } from "../components/common/StatusBadge";
 import { Button } from "../components/ui/button";
 import { Card } from "../components/ui/card";
 import { Input } from "../components/ui/input";
@@ -46,13 +49,12 @@ export function DelegationsPage() {
     onSuccess: async () => {
       await queryClient.invalidateQueries({ queryKey: ["delegations"] });
       setError("");
+      toast.success("委派已创建");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "创建委派失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "创建委派失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -61,13 +63,12 @@ export function DelegationsPage() {
     onSuccess: async () => {
       await queryClient.invalidateQueries({ queryKey: ["delegations"] });
       setError("");
+      toast.success("已撤销");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "撤销委派失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "撤销委派失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -158,7 +159,7 @@ export function DelegationsPage() {
           </select>
         </div>
 
-        {listQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {listQuery.isLoading ? <TableSkeleton columns={5} rows={3} /> : null}
         {listQuery.isError ? (
           <p className="text-sm text-red-600">
             {isApiError(listQuery.error)
@@ -193,7 +194,7 @@ export function DelegationsPage() {
                           <TableCell className="font-mono text-xs">{item.id}</TableCell>
                           <TableCell className="font-mono text-xs">{item.delegateEmployeeId}</TableCell>
                           <TableCell>{item.scope}</TableCell>
-                          <TableCell>{item.status}</TableCell>
+                          <TableCell><StatusBadge status={item.status} /></TableCell>
                           <TableCell>
                             <Button
                               data-testid="delegations-revoke"
@@ -239,7 +240,7 @@ export function DelegationsPage() {
                           <TableCell className="font-mono text-xs">{item.id}</TableCell>
                           <TableCell className="font-mono text-xs">{item.principalEmployeeId}</TableCell>
                           <TableCell>{item.scope}</TableCell>
-                          <TableCell>{item.status}</TableCell>
+                          <TableCell><StatusBadge status={item.status} /></TableCell>
                         </TableRow>
                       ))
                     ) : (
diff --git a/client/src/pages/DepartmentsPage.tsx b/client/src/pages/DepartmentsPage.tsx
index 0db545bf..45f24507 100644
--- a/client/src/pages/DepartmentsPage.tsx
+++ b/client/src/pages/DepartmentsPage.tsx
@@ -15,6 +15,9 @@ import { Card } from "../components/ui/card";
 import { Input } from "../components/ui/input";
 import { Label } from "../components/ui/label";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "../components/ui/table";
+import { toast } from "sonner";
+import { TableSkeleton } from "../components/common/TableSkeleton";
+import { ConfirmDialog } from "../components/common/ConfirmDialog";
 
 export function DepartmentsPage() {
   const queryClient = useQueryClient();
@@ -26,6 +29,7 @@ export function DepartmentsPage() {
   const [name, setName] = useState("");
   const [parentId, setParentId] = useState<string>("");
   const [error, setError] = useState("");
+  const [confirmArchive, setConfirmArchive] = useState<{ id: string; name: string } | null>(null);
 
   const listQuery = useQuery({
     queryKey: ["departments", includeArchived],
@@ -53,13 +57,14 @@ export function DepartmentsPage() {
       setName("");
       setParentId("");
       setError("");
+      toast.success("部门已创建");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "创建部门失败");
+      const msg = isApiError(err)
+        ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`
+        : err instanceof Error ? err.message : "创建部门失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -68,13 +73,14 @@ export function DepartmentsPage() {
     onSuccess: async () => {
       await queryClient.invalidateQueries({ queryKey: ["departments"] });
       setError("");
+      toast.success("已归档");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "归档部门失败");
+      const msg = isApiError(err)
+        ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`
+        : err instanceof Error ? err.message : "归档部门失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -161,7 +167,7 @@ export function DepartmentsPage() {
       <Card className="space-y-4 p-6">
         <h3 className="text-base font-semibold text-slate-900">部门列表</h3>
 
-        {listQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {listQuery.isLoading ? <TableSkeleton columns={4} rows={4} /> : null}
 
         {listQuery.isError ? (
           <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">
@@ -208,12 +214,7 @@ export function DepartmentsPage() {
                               variant="secondary"
                               type="button"
                               disabled={archiveMutation.isPending}
-                              onClick={() => {
-                                if (!window.confirm(`确认归档部门「${item.name}」？归档后不可用于新员工。`)) {
-                                  return;
-                                }
-                                archiveMutation.mutate(item.id);
-                              }}
+                              onClick={() => setConfirmArchive({ id: item.id, name: item.name })}
                             >
                               归档
                             </Button>
@@ -236,6 +237,17 @@ export function DepartmentsPage() {
           </div>
         ) : null}
       </Card>
+
+      <ConfirmDialog
+        open={Boolean(confirmArchive)}
+        title="确认归档"
+        description={`确认归档部门「${confirmArchive?.name ?? ""}」？归档后不可用于新员工。`}
+        variant="destructive"
+        onConfirm={async () => {
+          if (confirmArchive) archiveMutation.mutate(confirmArchive.id);
+        }}
+        onOpenChange={(open) => { if (!open) setConfirmArchive(null); }}
+      />
     </div>
   );
 }
diff --git a/client/src/pages/FeatureFlagsPage.tsx b/client/src/pages/FeatureFlagsPage.tsx
index eb4e5cbe..ea57386e 100644
--- a/client/src/pages/FeatureFlagsPage.tsx
+++ b/client/src/pages/FeatureFlagsPage.tsx
@@ -8,9 +8,11 @@ import {
   type FeatureFlagOverrideMode,
   type FeatureFlagRolloutType,
 } from "../api/featureFlags";
+import { toast } from "sonner";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { isApiError } from "../api/types";
 import { PageHeader } from "../components/common/PageHeader";
+import { TableSkeleton } from "../components/common/TableSkeleton";
 import { Button } from "../components/ui/button";
 import { Card } from "../components/ui/card";
 import { Label } from "../components/ui/label";
@@ -89,13 +91,12 @@ export function FeatureFlagsPage() {
     onSuccess: async () => {
       await queryClient.invalidateQueries({ queryKey: ["feature-flags"] });
       setError("");
+      toast.success("开关已更新");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-      setError(err instanceof Error ? err.message : "更新开关失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "更新开关失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -141,7 +142,7 @@ export function FeatureFlagsPage() {
       <Card className="space-y-4 p-6">
         <h3 className="text-base font-semibold text-slate-900">开关列表</h3>
 
-        {flagsQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {flagsQuery.isLoading ? <TableSkeleton columns={6} rows={2} /> : null}
 
         {flagsQuery.isError ? (
           <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">
diff --git a/client/src/pages/MobileApprovalsPage.tsx b/client/src/pages/MobileApprovalsPage.tsx
index d117febd..5a409209 100644
--- a/client/src/pages/MobileApprovalsPage.tsx
+++ b/client/src/pages/MobileApprovalsPage.tsx
@@ -1,5 +1,6 @@
 import { useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { toast } from "sonner";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { isApiError } from "../api/types";
 import {
@@ -13,6 +14,7 @@ import {
 } from "../api/workflow";
 import { PageHeader } from "../components/common/PageHeader";
 import { Button } from "../components/ui/button";
+import { Spinner } from "../components/ui/spinner";
 import { Card } from "../components/ui/card";
 import { Textarea } from "../components/ui/textarea";
 
@@ -85,14 +87,12 @@ export function MobileApprovalsPage() {
       setTransferReason("");
       setTransferToApproverId("");
       setError("");
+      toast.success("操作成功");
     },
     onError: (err) => {
-      if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
-        return;
-      }
-
-      setError(err instanceof Error ? err.message : "动作执行失败");
+      const msg = isApiError(err) ? `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}` : err instanceof Error ? err.message : "动作执行失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -110,7 +110,7 @@ export function MobileApprovalsPage() {
       <Card className="space-y-3 p-4" data-testid="mobile-approvals-list">
         <h3 className="text-base font-semibold text-slate-900">待办任务</h3>
 
-        {tasksQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {tasksQuery.isLoading ? <div className="flex items-center gap-2 text-sm text-slate-500"><Spinner size="sm" />加载中...</div> : null}
 
         {!tasksQuery.isLoading && pendingTasks.length === 0 ? (
           <p className="text-sm text-slate-500">暂无待办任务。</p>
diff --git a/client/src/pages/MobileCapturePage.tsx b/client/src/pages/MobileCapturePage.tsx
index 8b3d381c..39908f5f 100644
--- a/client/src/pages/MobileCapturePage.tsx
+++ b/client/src/pages/MobileCapturePage.tsx
@@ -1,10 +1,12 @@
 import { useEffect, useMemo, useState } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { toast } from "sonner";
 import { uploadInvoice } from "../api/invoicePool";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { isApiError } from "../api/types";
 import { PageHeader } from "../components/common/PageHeader";
 import { Button } from "../components/ui/button";
+import { Spinner } from "../components/ui/spinner";
 import { Card } from "../components/ui/card";
 import {
   enqueueInvoiceUpload,
@@ -47,15 +49,20 @@ export function MobileCapturePage() {
     onSuccess: () => {
       setSelectedFile(null);
       setError("");
-      setMessage("上传成功");
+      setMessage("");
+      toast.success("上传成功");
     },
     onError: (err) => {
       if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
+        const msg = `${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`;
+        setError(msg);
+        toast.error(msg);
         return;
       }
 
-      setError(err instanceof Error ? err.message : "上传失败");
+      const msg = err instanceof Error ? err.message : "上传失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -80,10 +87,13 @@ export function MobileCapturePage() {
     onSuccess: async (result) => {
       await queryClient.invalidateQueries({ queryKey: ["mobile", "invoice-upload-queue"] });
       setError("");
-      setMessage(`队列同步完成：成功 ${result.succeeded}，失败 ${result.failed}`);
+      setMessage("");
+      toast.success(`同步完成：成功 ${result.succeeded}，失败 ${result.failed}`);
     },
     onError: (err) => {
-      setError(err instanceof Error ? err.message : "队列同步失败");
+      const msg = err instanceof Error ? err.message : "队列同步失败";
+      setError(msg);
+      toast.error(msg);
     },
   });
 
@@ -210,7 +220,7 @@ export function MobileCapturePage() {
           <span className="text-sm text-slate-500">{queuedCountLabel}</span>
         </div>
 
-        {queueQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {queueQuery.isLoading ? <div className="flex items-center gap-2 text-sm text-slate-500"><Spinner size="sm" />加载中...</div> : null}
 
         {!queueQuery.isLoading && queuedItems.length === 0 ? (
           <p className="text-sm text-slate-500">暂无待上传文件。</p>
diff --git a/client/src/pages/NotificationsPage.tsx b/client/src/pages/NotificationsPage.tsx
index 353d24f5..1b415aff 100644
--- a/client/src/pages/NotificationsPage.tsx
+++ b/client/src/pages/NotificationsPage.tsx
@@ -4,6 +4,8 @@ import { fetchNotifications, markNotificationRead } from "../api/notifications";
 import { isApiError } from "../api/types";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { PageHeader } from "../components/common/PageHeader";
+import { TableSkeleton } from "../components/common/TableSkeleton";
+import { Pagination } from "../components/common/Pagination";
 import { Button } from "../components/ui/button";
 import { Card } from "../components/ui/card";
 import {
@@ -105,7 +107,7 @@ export function NotificationsPage() {
           </div>
         </div>
 
-        {listQuery.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {listQuery.isLoading ? <TableSkeleton columns={4} rows={5} /> : null}
 
         {listQuery.isError ? (
           <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">
@@ -185,38 +187,12 @@ export function NotificationsPage() {
           </div>
         ) : null}
 
-        <div className="flex items-center justify-between text-sm">
-          <span>
-            第 {page} / {totalPages} 页
-          </span>
-          <div className="flex gap-2">
-            <Button
-              data-testid="notifications-prev-page"
-              variant="secondary"
-              disabled={page <= 1}
-              onClick={() =>
-                setSearchParams({ unreadOnly: unreadOnly ? "1" : "0", page: String(Math.max(1, page - 1)) })
-              }
-              type="button"
-            >
-              上一页
-            </Button>
-            <Button
-              data-testid="notifications-next-page"
-              variant="secondary"
-              disabled={page >= totalPages}
-              onClick={() =>
-                setSearchParams({
-                  unreadOnly: unreadOnly ? "1" : "0",
-                  page: String(Math.min(totalPages, page + 1)),
-                })
-              }
-              type="button"
-            >
-              下一页
-            </Button>
-          </div>
-        </div>
+        <Pagination
+          page={page}
+          totalPages={totalPages}
+          onPageChange={(p) => setSearchParams({ unreadOnly: unreadOnly ? "1" : "0", page: String(p) })}
+          testIdPrefix="notifications"
+        />
       </Card>
     </div>
   );
diff --git a/client/src/pages/WorkflowTaskDetailPage.tsx b/client/src/pages/WorkflowTaskDetailPage.tsx
index c76f432f..73a3f4f3 100644
--- a/client/src/pages/WorkflowTaskDetailPage.tsx
+++ b/client/src/pages/WorkflowTaskDetailPage.tsx
@@ -11,9 +11,12 @@ import {
   returnWorkflowTask,
   transferWorkflowTask,
 } from "../api/workflow";
+import { toast } from "sonner";
 import { useAuth } from "../auth/AuthContext";
 import { hasPermission } from "../auth/permissions";
+import { CardSkeleton } from "../components/common/CardSkeleton";
 import { PageHeader } from "../components/common/PageHeader";
+import { StatusBadge } from "../components/common/StatusBadge";
 import { Button } from "../components/ui/button";
 import { Card } from "../components/ui/card";
 import { Textarea } from "../components/ui/textarea";
@@ -70,27 +73,26 @@ export function WorkflowTaskDetailPage() {
 
       return transferWorkflowTask(taskId, selectedApprover, transferReason.trim());
     },
-    onSuccess: async () => {
+    onSuccess: async (_data, action) => {
       await Promise.all([
         queryClient.invalidateQueries({ queryKey: ["workflow", "tasks"] }),
         queryClient.invalidateQueries({ queryKey: ["workflow", "task", taskId] }),
       ]);
       setActionError("");
+      const messages: Record<string, string> = { approve: "已通过", reject: "已驳回", return: "已退回", transfer: "已转审" };
+      toast.success(messages[action] ?? "操作成功");
     },
     onError: (error) => {
+      let msg: string;
       if (error instanceof Error && !isApiError(error)) {
-        setActionError(error.message);
-        return;
+        msg = error.message;
+      } else if (isApiError(error)) {
+        msg = `${error.code}: ${mapApiErrorMessage(error.code, error.details, error.message)}`;
+      } else {
+        msg = "动作执行失败，请稍后重试";
       }
-
-      if (isApiError(error)) {
-        setActionError(
-          `${error.code}: ${mapApiErrorMessage(error.code, error.details, error.message)}`,
-        );
-        return;
-      }
-
-      setActionError("动作执行失败，请稍后重试");
+      setActionError(msg);
+      toast.error(msg);
     },
   });
 
@@ -104,9 +106,7 @@ export function WorkflowTaskDetailPage() {
 
   if (detailQuery.isLoading) {
     return (
-      <Card className="p-6">
-        <p className="text-sm text-slate-500">加载任务详情中...</p>
-      </Card>
+      <CardSkeleton lines={8} />
     );
   }
 
@@ -148,7 +148,7 @@ export function WorkflowTaskDetailPage() {
       />
 
       <Card className="space-y-2 p-6 text-sm" data-testid="workflow-task-summary">
-        <div>状态：{detail.task.status}</div>
+        <div>状态：<StatusBadge status={detail.task.status} /></div>
         <div>实例：{detail.workflowInstance?.id ?? "-"}</div>
         <div>报销单号：{detail.reimbursement?.formNumber ?? "-"}</div>
         <div>报销金额：{detail.reimbursement?.totalAmount ?? "-"}</div>
diff --git a/client/src/pages/WorkflowTasksPage.tsx b/client/src/pages/WorkflowTasksPage.tsx
index b127dc39..fa6dccac 100644
--- a/client/src/pages/WorkflowTasksPage.tsx
+++ b/client/src/pages/WorkflowTasksPage.tsx
@@ -4,6 +4,9 @@ import { isApiError } from "../api/types";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { fetchWorkflowTasks } from "../api/workflow";
 import { PageHeader } from "../components/common/PageHeader";
+import { Pagination } from "../components/common/Pagination";
+import { StatusBadge } from "../components/common/StatusBadge";
+import { TableSkeleton } from "../components/common/TableSkeleton";
 import { Button } from "../components/ui/button";
 import { Card } from "../components/ui/card";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "../components/ui/table";
@@ -60,16 +63,16 @@ export function WorkflowTasksPage() {
           </TabsList>
         </Tabs>
 
-        {query.isLoading ? <p className="text-sm text-slate-500">加载中...</p> : null}
+        {query.isLoading ? <TableSkeleton columns={5} rows={5} /> : null}
 
         {query.isError ? (
           <p className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600">
             {isApiError(query.error)
               ? `${query.error.code}: ${mapApiErrorMessage(
-                  query.error.code,
-                  query.error.details,
-                  query.error.message,
-                )}`
+                query.error.code,
+                query.error.details,
+                query.error.message,
+              )}`
               : "加载待办失败，请稍后重试"}
           </p>
         ) : null}
@@ -97,7 +100,7 @@ export function WorkflowTasksPage() {
                       <TableCell className="font-mono text-xs">
                         {task.workflowInstance?.entityId}
                       </TableCell>
-                      <TableCell>{task.status}</TableCell>
+                      <TableCell><StatusBadge status={task.status} /></TableCell>
                       <TableCell>{new Date(task.createdAt).toLocaleString()}</TableCell>
                       <TableCell>
                         <Button
@@ -123,33 +126,12 @@ export function WorkflowTasksPage() {
           </div>
         ) : null}
 
-        <div className="flex items-center justify-between text-sm">
-          <span>
-            第 {page} / {totalPages} 页
-          </span>
-          <div className="flex gap-2">
-            <Button
-              data-testid="workflow-tasks-prev-page"
-              variant="secondary"
-              disabled={page <= 1}
-              onClick={() => setSearchParams({ status, page: String(Math.max(1, page - 1)) })}
-              type="button"
-            >
-              上一页
-            </Button>
-            <Button
-              data-testid="workflow-tasks-next-page"
-              variant="secondary"
-              disabled={page >= totalPages}
-              onClick={() =>
-                setSearchParams({ status, page: String(Math.min(totalPages, page + 1)) })
-              }
-              type="button"
-            >
-              下一页
-            </Button>
-          </div>
-        </div>
+        <Pagination
+          page={page}
+          totalPages={totalPages}
+          onPageChange={(p) => setSearchParams({ status, page: String(p) })}
+          testIdPrefix="workflow-tasks"
+        />
       </Card>
     </div>
   );