diff --git a/src/Cherry.js b/src/Cherry.js
index c8c97ba2..0a27c525 100644
--- a/src/Cherry.js
+++ b/src/Cherry.js
@@ -607,9 +607,9 @@ export default class Cherry extends CherryStatic {
     const lineContent = this.editor.editor.getLine(cursor.line);
     // shift + tab 已经被绑定为缩进，所以这里不做处理
     if (!evt.shiftKey && evt.key === 'Tab' && LIST_CONTENT.test(lineContent)) {
-      evt.preventDefault();
       // 每按一次Tab，如果当前光标在行首或者行尾，就在行首加一个\t
-      if (cursor.ch === 0 || cursor.ch === lineContent.length) {
+      if (cursor.ch === 0 || cursor.ch === lineContent.length || cursor.ch === lineContent.length + 1) {
+        evt.preventDefault();
         this.editor.editor.setSelection({ line: cursor.line, ch: 0 }, { line: cursor.line, ch: lineContent.length });
         this.editor.editor.replaceSelection(`\t${lineContent}`, 'around');
         const newCursor = this.editor.editor.getCursor();
diff --git a/src/utils/regexp.js b/src/utils/regexp.js
index 21f3b8b5..d6ebdc00 100644
--- a/src/utils/regexp.js
+++ b/src/utils/regexp.js
@@ -112,7 +112,7 @@ export const URL_NO_SLASH = new RegExp(`^${URL_INLINE_NO_SLASH.source}$`);
 export const URL = new RegExp(`^${URL_INLINE.source}$`);
 
 // 正则结果[全部, 判定符之前的空格或者tab, 判定符, checkbox内容(没有就是undefined), 列表内容]
-export const LIST_CONTENT = /([ \t]*)([*+-][ ](\[[ x]\])?|[a-z0-9I一二三四五六七八九十零]+\.)([^\r\n]+)/;
+export const LIST_CONTENT = /([ \t]*)([*+-][ ](\[[ x]\])?|[a-z0-9I一二三四五六七八九十零]+\.)([^\r\n]*)/;
 
 export function getTableRule(merge = false) {
   // ^(\|[^\n]+\|\r?\n)((?:\|:?[-]+:?)+\|)(\n(?:\|[^\n]+\|\r?\n?)*)?$