src/main/kotlin/kr/co/vividnext/sodalive/admin/event/banner/AdminEventBannerService.kt

@@ -156,8 +156,8 @@ class AdminEventBannerService(
             )
         }
 
-        if (!link.isNullOrBlank() && event.link != link) {
-            event.link = link
+        if (event.link != link) {
+            event.link = if (link.isNullOrBlank()) null else link
         }
 
         if (!title.isNullOrBlank() && event.title != title) {