diff --git a/src/views/learningpath/LevelAddDetail.vue b/src/views/learningpath/LevelAddDetail.vue
index 2af8812a..272ef10d 100644
--- a/src/views/learningpath/LevelAddDetail.vue
+++ b/src/views/learningpath/LevelAddDetail.vue
@@ -528,7 +528,7 @@ const deleteChapter = () => {
     return
   }
   routerInfo.value.chapterList.splice(activeIndex.value, 1);
-  activeIndex.value = activeIndex.value-1;
+  activeIndex.value && (activeIndex.value = activeIndex.value-1);
   deleteChapterModal.value = false;
 };
 
diff --git a/src/views/projectcenter/TaskAdd.vue b/src/views/projectcenter/TaskAdd.vue
index db128f85..b2d47fd5 100644
--- a/src/views/projectcenter/TaskAdd.vue
+++ b/src/views/projectcenter/TaskAdd.vue
@@ -668,7 +668,7 @@ const deleteStage = () => {
     return
   }
   projectInfo.value.stageList.splice(activeIndex.value, 1);
-  activeIndex.value = activeIndex.value-1;
+  activeIndex.value && (activeIndex.value = activeIndex.value-1);
   deleteStageModal.value = false;
 };
 onMounted(() => {