diff --git a/frontend/src/business/components/api/definition/components/document/ApiDocumentAnchor.vue b/frontend/src/business/components/api/definition/components/document/ApiDocumentAnchor.vue
index fdef1192c9..5aaec3d253 100644
--- a/frontend/src/business/components/api/definition/components/document/ApiDocumentAnchor.vue
+++ b/frontend/src/business/components/api/definition/components/document/ApiDocumentAnchor.vue
@@ -665,7 +665,7 @@ export default {
       this.$message.error(this.$t('api_report.error'));
     },
     handleScroll(){
-      if(!this.clickStepFlag){
+      if(!this.clickStepFlag && this.$refs.apiDocInfoDiv){
         //apiDocInfoDiv的总高度，是(每个item的高度+20)数量
         let apiDocDivScrollTop = 0;
         if(this.$refs.apiDocInfoDiv&&this.$refs.apiDocInfoDiv.scrollTop){
@@ -758,6 +758,9 @@ export default {
       this.clickStepFlag = false;
     },
     redirectScroll(){
+      if(!this.$refs.apiDocInfoDiv){
+        return;
+      }
       //滚动条跳转：将滚动条下拉到显示对应对api接口的位置
       let apiDocDivClientTop = 0;
       let itemHeightCount = 0;
diff --git a/frontend/src/business/components/api/definition/components/document/ApiDocumentItem.vue b/frontend/src/business/components/api/definition/components/document/ApiDocumentItem.vue
index 4e6a53c0e3..d60b718e8d 100644
--- a/frontend/src/business/components/api/definition/components/document/ApiDocumentItem.vue
+++ b/frontend/src/business/components/api/definition/components/document/ApiDocumentItem.vue
@@ -561,7 +561,9 @@ export default {
       this.$message.error(this.$t('api_report.error'));
     },
     handleScroll(){
-
+      if(!this.$refs.apiDocInfoDiv){
+        return;
+      }
       //apiDocInfoDiv的总高度，是(每个item的高度+20)数量
       let apiDocDivScrollTop = this.$refs.apiDocInfoDiv.scrollTop;
       let apiDocDivClientTop = this.$refs.apiDocInfoDiv.clientHeight;
@@ -591,7 +593,9 @@ export default {
         let itemHeight = this.$refs.apiDocInfoDivItem[i].offsetHeight+20;
         itemHeightCount+=itemHeight;
       }
-      this.$refs.apiDocInfoDiv.scrollTop = (apiDocDivClientTop+itemHeightCount);
+      if(this.$refs.apiDocInfoDiv){
+        this.$refs.apiDocInfoDiv.scrollTop = (apiDocDivClientTop+itemHeightCount);
+      }
     },
     checkApiInfoNode(itemIndex){
       //检查要展示的api信息节点，和上下个3个及以内的范围内数据有没有查询过