diff --git a/crates/bili_sync/build.rs b/crates/bili_sync/build.rs
index d8f91cb..315a577 100644
--- a/crates/bili_sync/build.rs
+++ b/crates/bili_sync/build.rs
@@ -1,3 +1,4 @@
 fn main() {
+    println!("cargo:rerun-if-changed=../../web/build");
     built::write_built_file().expect("Failed to acquire build-time information");
 }
diff --git a/web/src/routes/video-sources/+page.svelte b/web/src/routes/video-sources/+page.svelte
index 1fc389b..d426b99 100644
--- a/web/src/routes/video-sources/+page.svelte
+++ b/web/src/routes/video-sources/+page.svelte
@@ -71,6 +71,8 @@
 	let favoriteForm = { fid: '' };
 	let collectionForm = { sid: '', mid: '', collection_type: '2' }; // 默认为合集
 	let submissionForm = { upper_id: '' };
+	let importingSubmissions = false;
+	let submissionImportInput: HTMLInputElement | null = null;
 	let selectedIds: Record<string, number[]> = {
 		favorites: [],
 		collections: [],
@@ -383,6 +385,53 @@
 		}
 	}
 
+	function parseUidLines(content: string): number[] {
+		return [...new Set(content.split(/\r?\n/).map((line) => line.trim()).filter((line) => /^\d+$/.test(line)))].map(
+			(uid) => parseInt(uid)
+		);
+	}
+
+	async function handleImportSubmissionUids(file: File | null) {
+		if (!file) return;
+		importingSubmissions = true;
+		try {
+			const content = await file.text();
+			const uids = parseUidLines(content);
+			if (uids.length === 0) {
+				toast.error('未在文件中识别到有效 UID');
+				return;
+			}
+			let success = 0;
+			let failed = 0;
+			for (const uid of uids) {
+				try {
+					await api.insertSubmission({ upper_id: uid });
+					success += 1;
+				} catch {
+					failed += 1;
+				}
+			}
+			if (failed > 0) {
+				toast.warning('UID 文件导入完成（部分失败）', {
+					description: `成功 ${success} 条，失败 ${failed} 条`
+				});
+			} else {
+				toast.success(`UID 文件导入成功，共 ${success} 条`);
+			}
+			loadVideoSources();
+		} catch (error) {
+			toast.error('导入 UID 文件失败', {
+				description: (error as ApiError).message
+			});
+		} finally {
+			importingSubmissions = false;
+		}
+	}
+
+	function openSubmissionUidImport() {
+		submissionImportInput?.click();
+	}
+
 	// 初始化
 	onMount(() => {
 		setBreadcrumb([{ label: '视频源' }]);
@@ -451,10 +500,34 @@
 							{/if}
 						</div>
 						{#if key === 'favorites' || key === 'collections' || key === 'submissions'}
-							<Button size="sm" onclick={() => openAddDialog(key)} class="flex items-center gap-2">
-								<PlusIcon class="h-4 w-4" />
-								手动添加
-							</Button>
+							<div class="flex items-center gap-2">
+								{#if key === 'submissions'}
+									<input
+										bind:this={submissionImportInput}
+										type="file"
+										accept=".txt,text/plain"
+										class="hidden"
+										disabled={importingSubmissions}
+										onchange={(event) => {
+											const file = (event.currentTarget as HTMLInputElement).files?.[0] ?? null;
+											handleImportSubmissionUids(file);
+											(event.currentTarget as HTMLInputElement).value = '';
+										}}
+									/>
+									<Button
+										size="sm"
+										variant="outline"
+										onclick={openSubmissionUidImport}
+										disabled={importingSubmissions}
+									>
+										{importingSubmissions ? '导入中...' : '导入 UID.txt'}
+									</Button>
+								{/if}
+								<Button size="sm" onclick={() => openAddDialog(key)} class="flex items-center gap-2">
+									<PlusIcon class="h-4 w-4" />
+									手动添加
+								</Button>
+							</div>
 						{/if}
 					</div>
 					{#if sources.length > 0}
@@ -620,10 +693,21 @@
 								{/if}
 							</p>
 							{#if key === 'favorites' || key === 'collections' || key === 'submissions'}
-								<Button onclick={() => openAddDialog(key)} class="flex items-center gap-2">
-									<PlusIcon class="h-4 w-4" />
-									手动添加
-								</Button>
+								<div class="flex items-center gap-2">
+									{#if key === 'submissions'}
+										<Button
+											variant="outline"
+											onclick={openSubmissionUidImport}
+											disabled={importingSubmissions}
+										>
+											{importingSubmissions ? '导入中...' : '导入 UID.txt'}
+										</Button>
+									{/if}
+									<Button onclick={() => openAddDialog(key)} class="flex items-center gap-2">
+										<PlusIcon class="h-4 w-4" />
+										手动添加
+									</Button>
+								</div>
 							{/if}
 						</div>
 					{/if}
@@ -839,6 +923,24 @@
 								class="mt-1"
 							/>
 						</div>
+						<div>
+							<Label for="uid-file" class="text-sm font-medium">导入 UID.txt</Label>
+							<Input
+								id="uid-file"
+								type="file"
+								accept=".txt,text/plain"
+								class="mt-1"
+								disabled={importingSubmissions}
+								onchange={(event) => {
+									const file = (event.currentTarget as HTMLInputElement).files?.[0] ?? null;
+									handleImportSubmissionUids(file);
+									(event.currentTarget as HTMLInputElement).value = '';
+								}}
+							/>
+							<p class="text-muted-foreground mt-1 text-xs">
+								每行一个 UID，例如：2122895527
+							</p>
+						</div>
 					</div>
 				{/if}
 				<div class="mt-4 space-y-1.5">