diff --git a/client/cms/package.json b/client/cms/package.json
index 64f3e2a..1ed41a6 100644
--- a/client/cms/package.json
+++ b/client/cms/package.json
@@ -47,6 +47,7 @@
     "@tanstack/zod-adapter": "^1.143.4",
     "@tanstack/zod-form-adapter": "^0.42.1",
     "@uiw/react-md-editor": "^4.0.11",
+    "@yudiel/react-qr-scanner": "^2.5.1",
     "axios": "^1.13.2",
     "base-64": "^1.0.0",
     "buffer": "^6.0.3",
diff --git a/client/cms/pnpm-lock.yaml b/client/cms/pnpm-lock.yaml
index 669b020..ece0349 100644
--- a/client/cms/pnpm-lock.yaml
+++ b/client/cms/pnpm-lock.yaml
@@ -107,6 +107,9 @@ importers:
       '@uiw/react-md-editor':
         specifier: ^4.0.11
         version: 4.0.11(@types/react@19.2.8)(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
+      '@yudiel/react-qr-scanner':
+        specifier: ^2.5.1
+        version: 2.5.1(@types/emscripten@1.41.5)(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
       axios:
         specifier: ^1.13.2
         version: 1.13.2
@@ -2526,6 +2529,9 @@ packages:
   '@types/doctrine@0.0.9':
     resolution: {integrity: sha512-eOIHzCUSH7SMfonMG1LsC2f8vxBFtho6NGBznK41R84YzPuvSBzrhEps33IsQiOW9+VL6NQ9DbjQJznk/S4uRA==}
 
+  '@types/emscripten@1.41.5':
+    resolution: {integrity: sha512-cMQm7pxu6BxtHyqJ7mQZ2kXWV5SLmugybFdHCBbJ5eHzOo6VhBckEgAT3//rP5FwPHNPeEiq4SmQ5ucBwsOo4Q==}
+
   '@types/estree-jsx@1.0.5':
     resolution: {integrity: sha512-52CcUVNFyfb1A2ALocQw/Dd1BQFNmSdkuC3BkZ6iqhdMfQz7JWOFRuJFloOzjk+6WijU56m9oKXFAXc7o3Towg==}
 
@@ -2757,6 +2763,12 @@ packages:
   '@vue/shared@3.5.27':
     resolution: {integrity: sha512-dXr/3CgqXsJkZ0n9F3I4elY8wM9jMJpP3pvRG52r6m0tu/MsAFIe6JpXVGeNMd/D9F4hQynWT8Rfuj0bdm9kFQ==}
 
+  '@yudiel/react-qr-scanner@2.5.1':
+    resolution: {integrity: sha512-FWzHaCneu30mQpE80VNWx4IPtBjXFEiTzhwWunZy3afvvAy/x0aVIgYijJKEbROoaAeDfcJ/gIyUCqPBP7bMOw==}
+    peerDependencies:
+      react: ^17 || ^18 || ^19
+      react-dom: ^17 || ^18 || ^19
+
   acorn-jsx@5.3.2:
     resolution: {integrity: sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==}
     peerDependencies:
@@ -2854,6 +2866,9 @@ packages:
   balanced-match@1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
 
+  barcode-detector@3.0.8:
+    resolution: {integrity: sha512-Z9jzzE8ngEDyN9EU7lWdGgV07mcnEQnrX8W9WecXDqD2v+5CcVjt9+a134a5zb+kICvpsrDx6NYA6ay4LGFs8A==}
+
   base-64@1.0.0:
     resolution: {integrity: sha512-kwDPIFCGx0NZHog36dj+tHiwP4QMzsZ3AgMViUBKI0+V5n4U0ufTCUMhnQ04diaRI8EX/QcPfql7zlhZ7j4zgg==}
 
@@ -4929,6 +4944,9 @@ packages:
     resolution: {integrity: sha512-3A6sD0WYP7+QrjbfNA2FN3FsOaGGFoekCVgTyypy53gPxhbkCIjtO6YWgdrfM+n/8sI8JeXZOIxsHjMTNxQ4nQ==}
     engines: {node: ^14.0.0 || >=16.0.0}
 
+  sdp@3.2.1:
+    resolution: {integrity: sha512-lwsAIzOPlH8/7IIjjz3K0zYBk7aBVVcvjMwt3M4fLxpjMYyy7i3I97SLHebgn4YBjirkzfp3RvRDWSKsh/+WFw==}
+
   semver@6.3.1:
     resolution: {integrity: sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==}
     hasBin: true
@@ -5405,6 +5423,10 @@ packages:
   webpack-virtual-modules@0.6.2:
     resolution: {integrity: sha512-66/V2i5hQanC51vBQKPH4aI8NMAcBW59FVBs+rC7eGHupMyfn34q7rZIE+ETlJ+XTevqfUhVVBgSUNSW2flEUQ==}
 
+  webrtc-adapter@9.0.3:
+    resolution: {integrity: sha512-5fALBcroIl31OeXAdd1YUntxiZl1eHlZZWzNg3U4Fn+J9/cGL3eT80YlrsWGvj2ojuz1rZr2OXkgCzIxAZ7vRQ==}
+    engines: {node: '>=6.0.0', npm: '>=3.10.0'}
+
   which-module@2.0.1:
     resolution: {integrity: sha512-iBdZ57RDvnOR9AGBhML2vFZf7h8vmBjhoaZqODJBFWHVtKkDmKuHai3cx5PgVMrX5YDNp27AofYbAwctSS+vhQ==}
 
@@ -5526,6 +5548,11 @@ packages:
   zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
+  zxing-wasm@2.2.4:
+    resolution: {integrity: sha512-1gq5zs4wuNTs5umWLypzNNeuJoluFvwmvjiiT3L9z/TMlVveeJRWy7h90xyUqCe+Qq0zL0w7o5zkdDMWDr9aZA==}
+    peerDependencies:
+      '@types/emscripten': '>=1.39.6'
+
 snapshots:
 
   '@adobe/css-tools@4.4.4': {}
@@ -7745,6 +7772,8 @@ snapshots:
 
   '@types/doctrine@0.0.9': {}
 
+  '@types/emscripten@1.41.5': {}
+
   '@types/estree-jsx@1.0.5':
     dependencies:
       '@types/estree': 1.0.8
@@ -8091,6 +8120,15 @@ snapshots:
 
   '@vue/shared@3.5.27': {}
 
+  '@yudiel/react-qr-scanner@2.5.1(@types/emscripten@1.41.5)(react-dom@19.2.3(react@19.2.3))(react@19.2.3)':
+    dependencies:
+      barcode-detector: 3.0.8(@types/emscripten@1.41.5)
+      react: 19.2.3
+      react-dom: 19.2.3(react@19.2.3)
+      webrtc-adapter: 9.0.3
+    transitivePeerDependencies:
+      - '@types/emscripten'
+
   acorn-jsx@5.3.2(acorn@8.15.0):
     dependencies:
       acorn: 8.15.0
@@ -8180,6 +8218,12 @@ snapshots:
 
   balanced-match@1.0.2: {}
 
+  barcode-detector@3.0.8(@types/emscripten@1.41.5):
+    dependencies:
+      zxing-wasm: 2.2.4(@types/emscripten@1.41.5)
+    transitivePeerDependencies:
+      - '@types/emscripten'
+
   base-64@1.0.0: {}
 
   base64-js@1.5.1: {}
@@ -10713,6 +10757,8 @@ snapshots:
       refa: 0.12.1
       regexp-ast-analysis: 0.7.1
 
+  sdp@3.2.1: {}
+
   semver@6.3.1: {}
 
   semver@7.7.3: {}
@@ -11180,6 +11226,10 @@ snapshots:
 
   webpack-virtual-modules@0.6.2: {}
 
+  webrtc-adapter@9.0.3:
+    dependencies:
+      sdp: 3.2.1
+
   which-module@2.0.1: {}
 
   which@2.0.2:
@@ -11283,3 +11333,8 @@ snapshots:
       use-sync-external-store: 1.6.0(react@19.2.3)
 
   zwitch@2.0.4: {}
+
+  zxing-wasm@2.2.4(@types/emscripten@1.41.5):
+    dependencies:
+      '@types/emscripten': 1.41.5
+      type-fest: 5.4.1
diff --git a/client/cms/src/components/checkin/checkin-scanner.dialog.view.tsx b/client/cms/src/components/checkin/checkin-scanner.dialog.view.tsx
new file mode 100644
index 0000000..fcdad1a
--- /dev/null
+++ b/client/cms/src/components/checkin/checkin-scanner.dialog.view.tsx
@@ -0,0 +1,20 @@
+import { Scanner } from '@yudiel/react-qr-scanner';
+import { DialogContent, DialogHeader, DialogTitle } from '../ui/dialog';
+
+export function CheckinScannerDialogView({ onScan }: { onScan: (value: string) => void }) {
+  return (
+    <DialogContent className="sm:max-w-[425px]">
+      <DialogHeader>
+        <DialogTitle>扫描签到码</DialogTitle>
+        <Scanner
+          onScan={(result) => {
+            if (result.length > 0) {
+              onScan(result[0].rawValue);
+            }
+          }}
+          onError={(error) => { throw error; }}
+        />
+      </DialogHeader>
+    </DialogContent>
+  );
+}
diff --git a/client/cms/src/components/profile/edit-profile.dialog.view.tsx b/client/cms/src/components/profile/edit-profile.dialog.view.tsx
index ed4f5dd..897205e 100644
--- a/client/cms/src/components/profile/edit-profile.dialog.view.tsx
+++ b/client/cms/src/components/profile/edit-profile.dialog.view.tsx
@@ -27,8 +27,8 @@ import {
 import { Switch } from '../ui/switch';
 
 const formSchema = z.object({
-  username: z.string().min(5),
-  nickname: z.string(),
+  username: z.string().min(5, '用户名长度至少为5个字符'),
+  nickname: z.string().nonempty('昵称不能为空'),
   subtitle: z.string(),
   avatar: z.string().url().or(z.literal('')),
   allow_public: z.boolean(),
diff --git a/client/cms/src/stories/events/checkin-dialog.stories.tsx b/client/cms/src/stories/events/checkin-dialog.stories.tsx
index eaa2790..0cf6480 100644
--- a/client/cms/src/stories/events/checkin-dialog.stories.tsx
+++ b/client/cms/src/stories/events/checkin-dialog.stories.tsx
@@ -19,7 +19,7 @@ const meta = {
 export default meta;
 type Story = StoryObj<typeof meta>;
 
-export const Prompt: Story = {
+export const Primary: Story = {
   args: {
     checkinCode: '114514',
   },
diff --git a/client/cms/src/stories/events/checkin-scanner.stories.tsx b/client/cms/src/stories/events/checkin-scanner.stories.tsx
new file mode 100644
index 0000000..ead25bb
--- /dev/null
+++ b/client/cms/src/stories/events/checkin-scanner.stories.tsx
@@ -0,0 +1,27 @@
+import type { Meta, StoryObj } from '@storybook/react-vite';
+import { CheckinScannerDialogView } from '@/components/checkin/checkin-scanner.dialog.view';
+import { Dialog } from '@/components/ui/dialog';
+
+const meta = {
+  title: 'Events/CheckinScannerDialog',
+  component: CheckinScannerDialogView,
+  decorators: [
+    Story => (
+      <Dialog open={true}>
+        <Story />
+      </Dialog>
+    ),
+  ],
+} satisfies Meta<typeof CheckinScannerDialogView>;
+
+export default meta;
+type Story = StoryObj<typeof meta>;
+
+export const Primary: Story = {
+  args: {
+    onScan: (value) => {
+      // eslint-disable-next-line no-console
+      console.log('Scanned value:', value);
+    },
+  },
+};
diff --git a/client/cms/src/stories/events/event-card.stories.tsx b/client/cms/src/stories/events/event-card.stories.tsx
index a263fbc..fa3de63 100644
--- a/client/cms/src/stories/events/event-card.stories.tsx
+++ b/client/cms/src/stories/events/event-card.stories.tsx
@@ -32,6 +32,7 @@ export const Loading: Story = {
       description: '',
       startTime: new Date(0),
       endTime: new Date(0),
+      isCheckedIn: false,
     },
     actionFooter: <Button className="w-full">加入活动（示例）</Button>,
   },
diff --git a/client/cms/src/stories/events/event-grid.stories.tsx b/client/cms/src/stories/events/event-grid.stories.tsx
index 290130b..746bd5b 100644
--- a/client/cms/src/stories/events/event-grid.stories.tsx
+++ b/client/cms/src/stories/events/event-grid.stories.tsx
@@ -1,7 +1,6 @@
 import type { Meta, StoryObj } from '@storybook/react-vite';
 import { EventGridSkeleton } from '@/components/events/event-grid/event-grid.skeleton';
 import { EventGridView } from '@/components/events/event-grid/event-grid.view';
-import { JoinedEventGridFooter } from '@/components/events/joined-events.containers';
 import { Button } from '@/components/ui/button';
 import { Skeleton as UiSkeleton } from '@/components/ui/skeleton';
 import { exampleMultiEvents } from './event.example';
@@ -24,7 +23,12 @@ export const Primary: Story = {
 export const Joined: Story = {
   args: {
     events: exampleMultiEvents,
-    footer: event => <JoinedEventGridFooter event={event} />,
+    footer: () => (
+      <div className="flex flex-row justify-between w-full gap-4">
+        <Button className="flex-1">签到</Button>
+        <Button className="flex-1">查看详情</Button>
+      </div>
+    ),
   },
 };
 
diff --git a/client/cms/src/stories/events/event.example.ts b/client/cms/src/stories/events/event.example.ts
index 04001e6..c9efa8d 100644
--- a/client/cms/src/stories/events/event.example.ts
+++ b/client/cms/src/stories/events/event.example.ts
@@ -10,6 +10,7 @@ export const exampleEvent: EventInfo = {
   description: 'Event Description',
   startTime: new Date('2026-06-13T04:00:00.000Z'),
   endTime: new Date('2026-06-14T04:00:00.000Z'),
+  isCheckedIn: false,
 };
 
 export const exampleMultiEvents: EventInfo[] = [
@@ -23,6 +24,7 @@ export const exampleMultiEvents: EventInfo[] = [
     description: 'Event Description',
     startTime: new Date('2026-06-13T04:00:00.000Z'),
     endTime: new Date('2026-06-14T04:00:00.000Z'),
+    isCheckedIn: false,
   },
   {
     eventId: '2',
@@ -34,6 +36,7 @@ export const exampleMultiEvents: EventInfo[] = [
     description: 'Event Description',
     startTime: new Date('2026-06-13T04:00:00.000Z'),
     endTime: new Date('2026-06-14T04:00:00.000Z'),
+    isCheckedIn: false,
   },
   {
     eventId: '3',
@@ -45,6 +48,7 @@ export const exampleMultiEvents: EventInfo[] = [
     description: 'Event Description',
     startTime: new Date('2026-06-13T04:00:00.000Z'),
     endTime: new Date('2026-06-14T04:00:00.000Z'),
+    isCheckedIn: false,
   },
   {
     eventId: '4',
@@ -56,5 +60,6 @@ export const exampleMultiEvents: EventInfo[] = [
     description: 'Event Description',
     startTime: new Date('2026-06-13T04:00:00.000Z'),
     endTime: new Date('2026-06-14T04:00:00.000Z'),
+    isCheckedIn: false,
   },
 ];