diff --git a/app/src/main/java/li/songe/gkd/db/DbSet.kt b/app/src/main/java/li/songe/gkd/db/DbSet.kt
index 8a778ac..f1f6411 100644
--- a/app/src/main/java/li/songe/gkd/db/DbSet.kt
+++ b/app/src/main/java/li/songe/gkd/db/DbSet.kt
@@ -40,7 +40,10 @@ object DbSet {
                 if (!isMainProcess) return
                 appScope.launchTry(Dispatchers.IO) {
                     val defaultSubsItem = SubsItem(
-                        id = 0, order = 0, updateUrl = DEFAULT_SUBS_UPDATE_URL, mtime = 0
+                        id = 0,
+                        order = 0,
+                        updateUrl = DEFAULT_SUBS_UPDATE_URL,
+                        mtime = System.currentTimeMillis()
                     )
                     db.insert(
                         "subs_item",