diff --git a/ruoyi-ui/src/views/tool/gen/index.vue b/ruoyi-ui/src/views/tool/gen/index.vue
index b7128e3f..2261e485 100644
--- a/ruoyi-ui/src/views/tool/gen/index.vue
+++ b/ruoyi-ui/src/views/tool/gen/index.vue
@@ -189,7 +189,6 @@ import importTable from "./importTable";
 import "highlight.js/styles/github-gist.css";
 const hljs = require("highlight.js/lib/core");
 hljs.registerLanguage("java", require("highlight.js/lib/languages/java"));
-hljs.registerLanguage("java", require("highlight.js/lib/languages/java"));
 hljs.registerLanguage("xml", require("highlight.js/lib/languages/xml"));
 hljs.registerLanguage("html", require("highlight.js/lib/languages/xml"));
 hljs.registerLanguage("vue", require("highlight.js/lib/languages/xml"));