修改bug

src/views/training/models/meeting-custom.vue

@@ -156,7 +156,7 @@ const formRef = ref()
 const rules = computed(() => {
     const rules: any = {}
     rules.label = [{ required: true, message: '请输入标题', trigger: 'change' }]
-    rules.defValue = [{ required: true, message: '请上传封面图', trigger: 'change' }]
+    rules.defValue = [{ required: true, message: '请上传图片', trigger: 'change' }]
     return rules
 })
 const removeOption = (index: number) => {