diff --git a/frontend/src/pages/KnowledgeBase/KnowledgeBase.jsx b/frontend/src/pages/KnowledgeBase/KnowledgeBase.jsx
index bf5c0ad..b0d8961 100644
--- a/frontend/src/pages/KnowledgeBase/KnowledgeBase.jsx
+++ b/frontend/src/pages/KnowledgeBase/KnowledgeBase.jsx
@@ -123,7 +123,15 @@ export default function KnowledgeBase() {
       const { type, detail } = selectedTreeNode
       result = result.filter(i => {
         if (i.source_type !== type) return false
-        if (detail !== null && i.source_detail !== detail) return false
+        if (detail !== null) {
+          // 按大类决定用哪个字段比对（节目文稿=author，杂志文章=source_detail）
+          if (type === 'manuscript') {
+            if (i.author !== detail) return false
+          } else {
+            // 杂志文章等用 source_detail
+            if (i.source_detail !== detail) return false
+          }
+        }
         return true
       })
     } else if (sourceDetailFilter) {