ui: simply solve a eslint bug

packages/ui-default/hydro.ts

@@ -25,6 +25,8 @@ function buildSequence(pages, type) {
       throw new Error("'type' should be one of 'before' or 'after'");
     }
   }
+  // eslint bug
+  // eslint-disable-next-line react/jsx-indent
   return pages
     .filter((p) => p && p[`${type}Loading`])
     .map((p) => ({

packages/ui-default/pages/problem_edit.page.js

@@ -172,9 +172,11 @@ export default new NamedPage(['problem_create', 'problem_edit'], (pagename) => {
 
   setInterval(() => {
     $('img').each(function () {
-      if (this.src.startsWith('file://')) this.setAttribute('src', this.src.replace('file://', './file/'));
+      if (this.src.startsWith('file://')) {
+        this.setAttribute('src', this.src.replace('file://', './file/').replace(/\/$/, ''));
+      }
     });
-  }, 200);
+  }, 500);
 
   const $main = $('textarea[data-editor]');
   const $field = $('textarea[data-markdown-upload]');