diff --git a/src/components/SyncConflictModal.svelte b/src/components/SyncConflictModal.svelte
index fd17a4e1..8e24ea6e 100644
--- a/src/components/SyncConflictModal.svelte
+++ b/src/components/SyncConflictModal.svelte
@@ -51,6 +51,9 @@
     <span>- {numberFormat.format(remoteSize)} KB</span>
   </p>
   <p class="text-gray-400 mt-1">{$t('sync.lastModified')}: {remoteFormatted}</p>
+  {#if remoteSize / localSize < 0.3}
+    <p class="text-red-400 font-bold mt-1">{$t('sync.smallSizeWarning')}</p>
+  {/if}
   <Button disabled={loading} className="mt-2 w-full" on:click={useRemoteData}>
     <Icon path={loading ? mdiLoading : mdiDownload} spin={loading} className="mr-1" />{$t('sync.useGoogleDriveData')}
   </Button>
@@ -66,6 +69,9 @@
     <span>- {numberFormat.format(localSize)} KB</span>
   </p>
   <p class="text-gray-400 mt-1">{$t('sync.lastModified')}: {localFormatted}</p>
+  {#if localSize / remoteSize < 0.3}
+    <p class="text-red-400 font-bold mt-1">{$t('sync.smallSizeWarning')}</p>
+  {/if}
   <Button disabled={loading} className="mt-2 w-full" on:click={useLocalData}>
     <Icon path={loading ? mdiLoading : mdiUpload} spin={loading} className="mr-1" />{$t('sync.useLocalData')}
   </Button>
diff --git a/src/locales/en.json b/src/locales/en.json
index b75e1d39..15d4285c 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -761,7 +761,8 @@
     "useLocalData": "Use Local Browser Data",
     "download": "Download Both Data",
     "lastModified": "Last modified",
-    "or": "OR"
+    "or": "OR",
+    "smallSizeWarning": "CAREFUL, THE SIZE IS MUCH SMALLER!"
   },
   "footer": {
     "affliate": "Paimon.moe is not affiliated with HoYoverse.",