diff --git a/src/App.vue b/src/App.vue
index a78fb6f..14949a0 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -4,4 +4,4 @@ import { RouterView } from 'vue-router'
 
 <template>
   <RouterView />
-</template>
+</template>
\ No newline at end of file
diff --git a/src/api/admin/types.ts b/src/api/admin/types.ts
index a969789..2406dd9 100644
--- a/src/api/admin/types.ts
+++ b/src/api/admin/types.ts
@@ -102,6 +102,7 @@ export interface AdminApplicationListParams {
   track?: string
   keyword?: string
   signup_channel_id?: number
+  public_source_channel_id?: number
 }
 
 export type AdminApplicationExportMode = 'xlsx' | 'selected' | 'all'
diff --git a/src/main.ts b/src/main.ts
index 6db4961..03df983 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -18,4 +18,6 @@ router.afterEach(() => {
   void capturePublicSourceFromLocation()
 })
 
+document.documentElement.dataset.adminBuildMarker = '2026-06-19-frontend-rebuild'
+
 createApp(App).use(pinia).use(router).use(ElementPlus, { locale: zhCn }).mount('#app')
diff --git a/src/views/admin/competition/CompetitionFormView.vue b/src/views/admin/competition/CompetitionFormView.vue
index 09dbefd..070a9b4 100644
--- a/src/views/admin/competition/CompetitionFormView.vue
+++ b/src/views/admin/competition/CompetitionFormView.vue
@@ -20,6 +20,7 @@ import {
   listSignupChannels,
   updateSignupChannel,
 } from '../../../api/admin/signupChannels'
+import { listPublicSourceChannels } from '../../../api/admin/publicSourceChannels'
 import {
   downloadAdminApplicationFile,
   exportAdminApplications,
@@ -37,6 +38,7 @@ import type {
   CompetitionTrackPayload,
   CompetitionTrackRow,
   FormSchemaRow,
+  PublicSourceChannelRow,
   SignupChannelPayload,
   SignupChannelRow,
 } from '../../../api/admin/types'
@@ -99,6 +101,8 @@ const tracks = ref<CompetitionTrackRow[]>([])
 const tracksLoading = ref(false)
 const channels = ref<SignupChannelRow[]>([])
 const channelsLoading = ref(false)
+const publicSourceChannels = ref<PublicSourceChannelRow[]>([])
+const publicSourceChannelsLoading = ref(false)
 const applications = ref<AdminApplicationRow[]>([])
 const selectedApplications = ref<AdminApplicationRow[]>([])
 const applicationsLoading = ref(false)
@@ -117,6 +121,7 @@ const applicationFilters = ref({
   status: 'submitted',
   track: '',
   signup_channel_id: undefined as number | undefined,
+  public_source_channel_id: undefined as number | undefined,
 })
 
 const trackDialogVisible = ref(false)
@@ -289,6 +294,7 @@ watch(tabKey, (t) => {
   if (t === 'channels') void refreshChannels()
   if (t === 'applications') {
     void refreshChannels()
+    void refreshPublicSourceChannels()
     void refreshApplications()
   }
   if (t === 'signupForm') void refreshSignupSchemas()
@@ -637,6 +643,18 @@ async function refreshChannels() {
   }
 }
 
+async function refreshPublicSourceChannels() {
+  publicSourceChannelsLoading.value = true
+  try {
+    publicSourceChannels.value = await listPublicSourceChannels()
+  } catch (e) {
+    publicSourceChannels.value = []
+    ElMessage.error(e instanceof Error ? e.message : '加载用户渠道列表失败')
+  } finally {
+    publicSourceChannelsLoading.value = false
+  }
+}
+
 function applicationStatusLabel(status: string): string {
   if (status === 'submitted') return '已提交'
   if (status === 'draft') return '草稿'
@@ -714,6 +732,7 @@ async function refreshApplications(page = applicationPager.value.page) {
       status: applicationFilters.value.status || undefined,
       track: applicationFilters.value.track || undefined,
       signup_channel_id: applicationFilters.value.signup_channel_id || undefined,
+      public_source_channel_id: applicationFilters.value.public_source_channel_id || undefined,
     })
     applications.value = res.data
     applicationPager.value = {
@@ -730,7 +749,13 @@ async function refreshApplications(page = applicationPager.value.page) {
 }
 
 function resetApplicationFilters() {
-  applicationFilters.value = { keyword: '', status: 'submitted', track: '', signup_channel_id: undefined }
+  applicationFilters.value = {
+    keyword: '',
+    status: 'submitted',
+    track: '',
+    signup_channel_id: undefined,
+    public_source_channel_id: undefined,
+  }
   void refreshApplications(1)
 }
 
@@ -752,6 +777,7 @@ async function exportApplications(mode: AdminApplicationExportMode) {
         status: applicationFilters.value.status || undefined,
         track: applicationFilters.value.track || undefined,
         signup_channel_id: applicationFilters.value.signup_channel_id || undefined,
+        public_source_channel_id: applicationFilters.value.public_source_channel_id || undefined,
         application_ids:
           mode === 'selected' ? selectedApplications.value.map((row) => row.id) : undefined,
       },
@@ -1430,7 +1456,7 @@ onMounted(() => {
               </el-select>
               <el-select
                 v-model="applicationFilters.signup_channel_id"
-                placeholder="渠道"
+                placeholder="报名渠道"
                 clearable
                 filterable
                 teleported
@@ -1443,6 +1469,22 @@ onMounted(() => {
                   :value="channel.id"
                 />
               </el-select>
+              <el-select
+                v-model="applicationFilters.public_source_channel_id"
+                placeholder="用户渠道"
+                clearable
+                filterable
+                teleported
+                :loading="publicSourceChannelsLoading"
+                class="application-filter-select application-filter-channel"
+              >
+                <el-option
+                  v-for="channel in publicSourceChannels"
+                  :key="channel.id"
+                  :label="`${channel.source_name}（${channel.source_code}）`"
+                  :value="channel.id"
+                />
+              </el-select>
             </div>
             <div class="application-actions">
               <el-dropdown trigger="click" @command="exportApplications">
@@ -1499,7 +1541,7 @@ onMounted(() => {
               </template>
             </el-table-column>
             <el-table-column prop="track_title" label="赛道" min-width="130" show-overflow-tooltip />
-            <el-table-column label="渠道" min-width="150" show-overflow-tooltip>
+            <el-table-column label="报名渠道" min-width="150" show-overflow-tooltip>
               <template #default="{ row }">
                 <span class="cell-muted">
                   {{
@@ -2207,7 +2249,7 @@ onMounted(() => {
 
 .application-filters {
   display: grid;
-  grid-template-columns: minmax(220px, 1fr) 130px 130px minmax(180px, 220px);
+  grid-template-columns: minmax(220px, 1fr) repeat(4, minmax(130px, 180px));
   gap: 8px;
   align-items: center;
 }