fix(vote): 防止重复点赞并优化代码格式

修复点赞逻辑，添加不可取消点赞的提示。优化代码格式，移除多余的空格和分号。

pages/index.html/index.vue

@@ -132,7 +132,7 @@ let openAttest = inject("openAttest");
 const realname = inject("realname");
 
 let isLikeGif = ref(false);
-let isLikeTimer = null
+let isLikeTimer = null;
 // 处理点赞
 const handleLike = (token, index) => {
     if (realname.value == 0 && userInfoWin.value.uin > 0) {
@@ -144,6 +144,12 @@ const handleLike = (token, index) => {
         goLogin();
         return;
     }
+
+    if (list.value[index].islike) {
+        ElMessage.error("不可取消点赞");
+        return;
+    }
+
     operateLikeHttp({ token }).then((res) => {
         if (res.code != 200) {
             ElMessage.error(res.message);
@@ -187,8 +193,8 @@ watch(
 );
 
 try {
-    if (process.env.NODE_ENV === 'development') {}
-    else if (process.server) {
+    if (process.env.NODE_ENV === "development") {
+    } else if (process.server) {
         await getListHttp({ page: 1, keyword: keyword.value }).then((res) => {
             let data = res.data;
             list.value = list.value.concat(data.data);