fix: 修改上传判断

src/lib/gic-upload-image.vue

@@ -160,7 +160,7 @@ export default {
       if (!isLt2M) {
         that.$message.error('上传图片大小不能超过 2MB!');
       }
-      return isLt2M && new Promise(function(resolve, reject) {
+      return isJPG && isLt2M && new Promise(function(resolve, reject) {
         let reader = new FileReader();
         reader.onload = function(event) {
           let image = new Image();