Update ProsePre.global.vue

components/prose/ProsePre.global.vue

@@ -54,10 +54,9 @@ const handleCopy = () => {
 }
 const codeBlock = ref(null)
 const handleRender = () => {
-    if (props.language) {
-        const lang = props.language === 'vue' ? 'html' : props.language
+    const language = props.language || 'html';
+    const lang = language.startsWith('vue') ? 'html' : language
     codeBlock.value = hljs.highlight(lang, props.code, true).value
-    }
 }
 watch(()=> props.code, () => {
     handleRender();