chore: sync

Author: Sun-ZhenXing

docs/.vuepress/config.ts

@@ -65,7 +65,6 @@ export default defineUserConfig({
     mdEnhancePlugin({
       gfm: true,
       container: true,
-      linkCheck: true,
       vPre: true,
       tabs: true,
       card: true,

docs/python-core/collections/python-ebnf.md

@@ -48,6 +48,14 @@ EBNF 的语法规则由一系列规则组成，每个规则包含一个非终止
 
 EBNF 还支持一些元素，如 `|` 表示或，可以用于在一个语法规则中定义多个可能的选择；`+` 表示至少重复一次；`*` 表示零次或多次重复。这些元素使 EBNF 更加灵活，可以描述更复杂的语法规则。
 
+```ebnf
+expression ::= term {("+" | "-") term}.
+term ::= factor {("*" | "/") factor}.
+factor ::= number | "(" expression ")".
+number ::= digit {digit}.
+digit ::= "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9".
+```
+
 EBNF 被广泛用于编程语言的设计和描述，它可以帮助程序员更容易地理解和实现语法规则。
 
 | 符号  | 含义                         |

package.json

@@ -24,9 +24,9 @@
     "@vuepress/utils": "2.0.0-beta.61",
     "vue": "^3.2.47",
     "vuepress": "2.0.0-beta.61",
-    "vuepress-plugin-auto-catalog": "2.0.0-beta.206",
-    "vuepress-plugin-copy-code2": "2.0.0-beta.206",
-    "vuepress-plugin-md-enhance": "2.0.0-beta.206",
-    "vuepress-plugin-search-pro": "2.0.0-beta.206"
+    "vuepress-plugin-auto-catalog": "2.0.0-beta.207",
+    "vuepress-plugin-copy-code2": "2.0.0-beta.207",
+    "vuepress-plugin-md-enhance": "2.0.0-beta.207",
+    "vuepress-plugin-search-pro": "2.0.0-beta.207"
   }
 }