知识库只能上传一张图片

src/views/highServer/knowledge/index.vue

@@ -276,8 +276,8 @@ export default {
     },
     /** 提交按钮 */
     submitForm() {
-      if ((this.form.imgUrlList != null || this.form.imgUrlList != "") && this.form.imgUrlList.split(',').length > 1) {
-        this.$modal.msgWarning("图片只能上传一张");
+      if (this.form.imgUrlList != null && this.form.imgUrlList != "" && this.form.imgUrlList.split(',').length > 1) {
+          this.$modal.msgWarning("图片只能上传一张");
       } else {
         this.$refs["form"].validate(valid => {
           if (valid) {