修复 部分情况下 渲染Markdown 会出现多余的<span class="cursor">|</span>的问题

components/uni-ai-msg/uni-ai-msg.vue

@@ -91,8 +91,11 @@
 		},
 		computed: {
 			html() {
-				let html = markdownIt.render(this.md + '<span class="cursor">|</span>')
-				return html
+				if(this.md.split("```").length%2){
+					return markdownIt.render(this.md + ' <span class="cursor">|</span>');
+				}else{
+					return markdownIt.render(this.md) + ' <span class="cursor">|</span>';
+				}
 			},
 			nodes() {
 				return this.html