diff --git a/frontend/src/views/factor/LeaderboardDetail.vue b/frontend/src/views/factor/LeaderboardDetail.vue
index e311b35..6a02b78 100644
--- a/frontend/src/views/factor/LeaderboardDetail.vue
+++ b/frontend/src/views/factor/LeaderboardDetail.vue
@@ -34,7 +34,8 @@ function goBack() {
 }
 
 function goToNewFactor() {
-  router.push('/factor/new')
+  // 桥接到老因子分析页（alphalens 完整 tears），带因子名预填
+  router.push({ path: '/factor/new', query: { factor: detail.value?.factor || '' } })
 }
 
 const currentMetrics = computed(() => {
diff --git a/frontend/src/views/factor/New.vue b/frontend/src/views/factor/New.vue
index 8cba0d5..4fa80d3 100644
--- a/frontend/src/views/factor/New.vue
+++ b/frontend/src/views/factor/New.vue
@@ -1,11 +1,12 @@
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted } from 'vue'
-import { useRouter } from 'vue-router'
+import { useRoute, useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import { getFactors, submitFactor, type FactorItem } from '@/api/factor'
 import { disableFutureDate } from '@/utils/dates'
 
 const router = useRouter()
+const route = useRoute()
 const factors = ref<FactorItem[]>([])
 const loading = ref(false)
 const submitting = ref(false)
@@ -35,6 +36,11 @@ onMounted(async () => {
   loading.value = true
   try {
     factors.value = await getFactors()
+    // 从排行榜详情「查看完整 tears 报告」跳入时预填该因子
+    const qf = route.query.factor as string | undefined
+    if (qf && factors.value.some((f) => f.name === qf)) {
+      form.factor_names = [qf]
+    }
   } catch {
     ElMessage.error('因子列表加载失败')
   } finally {