fix: date conversion error

src/views/Exhibitions/Detail/components/Overview.vue

@@ -98,15 +98,15 @@ const date = computed(() => {
   const end = new Date(props.detail.dateEnd);
 
   if (start.getFullYear() === end.getFullYear()) {
-    return `${MONTHS[start.getDay()]} ${start.getDate()} - ${
-      MONTHS[end.getDay()]
+    return `${MONTHS[start.getMonth()]} ${start.getDate()} - ${
+      MONTHS[end.getMonth()]
     } ${end.getDate()}, ${end.getFullYear()}`;
   }
 
   return `${
-    MONTHS[start.getDay()]
+    MONTHS[start.getMonth()]
   } ${start.getDate()}, ${start.getFullYear()} - ${
-    MONTHS[end.getDay()]
+    MONTHS[end.getMonth()]
   } ${end.getDate()}, ${end.getFullYear()}`;
 });