diff --git a/apps/knowledge/serializers/knowledge.py b/apps/knowledge/serializers/knowledge.py
index 7d630ea8953..e83166f504f 100644
--- a/apps/knowledge/serializers/knowledge.py
+++ b/apps/knowledge/serializers/knowledge.py
@@ -633,6 +633,8 @@ def _get_knowledge_workbook(data_dict: dict, document_dict: dict, doc_tag_map: d
                 data = [header]
                 for row_idx, row in enumerate(rows):
                     para_active = para_active_list[row_idx] if row_idx < len(para_active_list) else '1'
+                    # None 转为 ''
+                    row = [col if col is not None else '' for col in row]
                     if row_idx == 0:
                         data.append(
                             [*row, tags_str, hit_method, similarity, is_active, para_active, doc_type, doc_meta])
@@ -787,9 +789,9 @@ def import_knowledge(self, file, is_import_tool=False, with_valid=True):
                     doc_tags_map[document_id] = tags_str
                 # 逐行创建 para + problem
                 for row_idx, row in enumerate(rows):
-                    title = row[0] or '' if len(row) > 0 else ''
-                    content = row[1] or '' if len(row) > 1 else ''
-                    problems_str = row[2] or '' if len(row) > 2 else ''
+                    title = str(row[0]) if len(row) > 0 and row[0] is not None else ''
+                    content = str(row[1]) if len(row) > 1 and row[1] is not None else ''
+                    problems_str = str(row[2]) if len(row) > 2 and row[2] is not None else ''
                     para_is_active = row[7] if len(row) > 7 and row[7] else '1'
 
                     # 图片 link 替换
diff --git a/ui/src/views/knowledge/component/KnowledgeListContainer.vue b/ui/src/views/knowledge/component/KnowledgeListContainer.vue
index 6fc8e673e86..6e432e03f5c 100644
--- a/ui/src/views/knowledge/component/KnowledgeListContainer.vue
+++ b/ui/src/views/knowledge/component/KnowledgeListContainer.vue
@@ -340,7 +340,8 @@
                               v-if="permissionPrecise.export(item.id)"
                             >
                               <AppIcon iconName="app-export" class="color-secondary"></AppIcon
-                              >{{ $t('views.document.setting.export') }} 知识库
+                              >{{ $t('views.document.setting.export') }}
+                              {{ $t('views.knowledge.title') }}
                             </el-dropdown-item>
 
                             <el-dropdown-item