diff --git a/portal-ui/src/components/VideoComposeCard.vue b/portal-ui/src/components/VideoComposeCard.vue
index 6f63c60..f2ca5e1 100644
--- a/portal-ui/src/components/VideoComposeCard.vue
+++ b/portal-ui/src/components/VideoComposeCard.vue
@@ -111,9 +111,9 @@
 					@click="onEditorClick"></div>
 				<div v-if="mentionVisible" class="vg-mention-panel">
 					<div
-						v-for="item in mentionCandidates"
+						v-for="(item, idx) in mentionCandidates"
 						:key="item.key"
-						class="vg-mention-item"
+						:class="['vg-mention-item', { active: idx === mentionActiveIndex }]"
 						@mousedown.prevent="selectMentionItem(item)">
 						<img :src="item.url" alt="" class="vg-mention-thumb" />
 					</div>
@@ -179,6 +179,7 @@ const internalMediaList = ref(Array.isArray(props.mediaList) ? [...props.mediaLi
 const currentUploadIndex = ref(-1) // for first/last frame mode
 const savedSelectionRange = ref(null)
 const mentionVisible = ref(false)
+const mentionActiveIndex = ref(-1)
 
 watch(
 	() => props.modelValue,
@@ -221,7 +222,10 @@ onMounted(() => {
 const mediaList = computed(() => internalMediaList.value)
 const mentionCandidates = computed(() =>
 	(mediaList.value || [])
-		.filter((i) => i?.mediaType === 'image' && i?.url)
+		.filter((i) => {
+			const u = String(i?.url || '').trim()
+			return i?.mediaType === 'image' && !i?.isUploading && /^https?:\/\//i.test(u)
+		})
 		.map((i, idx) => ({
 			key: i.id || i.url || String(idx),
 			url: i.url
@@ -394,6 +398,9 @@ const clearAll = () => {
 						: x
 				)
 			)
+			if (isReferenceMode) {
+				Message.success('已上传完成')
+			}
 
 			try {
 				URL.revokeObjectURL(localPreview)
@@ -603,6 +610,12 @@ const onEditorInput = () => {
 	setPrompt(getEditorPlainText())
 	saveSelection()
 	mentionVisible.value = isReference.value && hasActiveMentionTrigger()
+	if (mentionVisible.value) {
+		const max = mentionCandidates.value.length - 1
+		mentionActiveIndex.value = max >= 0 ? Math.min(Math.max(mentionActiveIndex.value, 0), max) : -1
+	} else {
+		mentionActiveIndex.value = -1
+	}
 }
 
 const findClosestMentionInEditor = (el) => {
@@ -636,9 +649,41 @@ const onEditorClick = (e) => {
 	}
 	saveSelection()
 	mentionVisible.value = isReference.value && hasActiveMentionTrigger()
+	mentionActiveIndex.value = mentionVisible.value && mentionCandidates.value.length ? 0 : -1
 }
 
 const onEditorKeydown = (e) => {
+	if (mentionVisible.value) {
+		if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
+			e.preventDefault()
+			const len = mentionCandidates.value.length
+			if (len > 0) {
+				if (mentionActiveIndex.value < 0) {
+					mentionActiveIndex.value = 0
+				} else {
+					const delta = e.key === 'ArrowDown' ? 1 : -1
+					mentionActiveIndex.value = (mentionActiveIndex.value + delta + len) % len
+				}
+			}
+			return
+		}
+		if (e.key === 'Enter') {
+			const idx = mentionActiveIndex.value >= 0 ? mentionActiveIndex.value : 0
+			const picked = mentionCandidates.value[idx]
+			if (picked) {
+				e.preventDefault()
+				selectMentionItem(picked)
+				return
+			}
+		}
+		if (e.key === 'Escape') {
+			e.preventDefault()
+			mentionVisible.value = false
+			mentionActiveIndex.value = -1
+			return
+		}
+	}
+
 	if (!isReference.value || !editorRef.value) return
 	const sel = window.getSelection()
 	if (!sel || sel.rangeCount === 0) return
@@ -731,9 +776,17 @@ const onEditorKeyup = (e) => {
 	saveSelection()
 	if (e.key === 'Escape') {
 		mentionVisible.value = false
+		mentionActiveIndex.value = -1
 		return
 	}
 	mentionVisible.value = isReference.value && hasActiveMentionTrigger()
+	if (mentionVisible.value && e.key === '@' && mentionCandidates.value.length === 0) {
+		Message.warning('请等待上传完成后再引用')
+		mentionVisible.value = false
+		mentionActiveIndex.value = -1
+		return
+	}
+	mentionActiveIndex.value = mentionVisible.value && mentionCandidates.value.length ? 0 : -1
 }
 
 const selectMentionItem = (item) => {
@@ -780,6 +833,7 @@ const selectMentionItem = (item) => {
 
 	saveSelection()
 	mentionVisible.value = false
+	mentionActiveIndex.value = -1
 	renumberAllReferenceMentions()
 	setPrompt(getEditorPlainText())
 }
@@ -791,6 +845,7 @@ defineExpose({
 		setPrompt('')
 		if (editorRef.value) editorRef.value.innerHTML = ''
 		mentionVisible.value = false
+		mentionActiveIndex.value = -1
 	}
 })
 </script>
@@ -1163,6 +1218,10 @@ defineExpose({
 	background: rgba(255, 255, 255, 0.06);
 }
 
+.vg-mention-item.active {
+	background: rgba(0, 202, 224, 0.18);
+}
+
 .vg-mention-thumb {
 	width: 30px;
 	height: 30px;
diff --git a/portal-ui/src/views/VideoGen.vue b/portal-ui/src/views/VideoGen.vue
index 21066a0..5679abb 100644
--- a/portal-ui/src/views/VideoGen.vue
+++ b/portal-ui/src/views/VideoGen.vue
@@ -764,10 +764,6 @@ export default {
 			}
 
 			if (this.videoMode === 'image-reference') {
-				if (attachments.length === 0) {
-					this.$message.error('请至少上传一张参考图')
-					return
-				}
 				const compose = this.$refs.videoComposeRef
 				const contentItems =
 					compose && typeof compose.getImageReferenceContentItems === 'function'
@@ -778,11 +774,6 @@ export default {
 					this.$message.error('参考图内容格式异常，请重试')
 					return
 				}
-				const refUrls = contentItems.filter((x, idx) => idx > 0 && x?.type === 'image_url')
-				if (!refUrls.length) {
-					this.$message.error('请通过 @ 在描述中插入参考图')
-					return
-				}
 				params.text = first.text || text
 				params.content = contentItems
 			}