no message

@@ -143,7 +143,7 @@
           <el-form-item :label="$t('course.dialogPpt')" label-width="80">
             <fileUpload v-model="showForm.form.pptOssId" :limit="1" :fileType='["pdf","ppt","pptx"]'/>
           </el-form-item>
-          <el-form-item :label="$t('course.dialogPhoto')" label-width="80">
+          <el-form-item :label="$t('course.dialogPhoto')" prop="ossId" label-width="80">
             <imageUpload v-model="showForm.form.ossId" :limit='1' :fileType='["png", "jpg", "jpeg", "ico"]'/>
           </el-form-item>
         </el-form>
@@ -200,7 +200,7 @@ const data = reactive({
     buildingBlockId: [{ required: true, message: "系列不能为空", trigger: "blur" }],
     type: [{ required: true, message: "搭建类型不能为空", trigger: "blur" }],
     caseOssId: [{ required: true, message: "案例不能为空", trigger: "blur" }],
-    ossId: [{ required: true, message: "课程图片不能为空", trigger: "blur" }]    
+    ossId: [{ required: true, message: "课程图片不能为空", trigger: "blur" }]
   }
 })