message: fix(codeeditor): empty value set failed.fixed:#659
diff: async (v) => {
  await nextTick();
  const oldValue = editor?.getValue();
  - v && v !== oldValue && editor?.setValue(v);
  + if (v !== oldValue) {
  + editor?.setValue(v ? v : '');
  + }
  },
  { flush: 'post' }
  );
  