diff --git a/backend/services/identity-service/prisma/schema.prisma b/backend/services/identity-service/prisma/schema.prisma
index 2a078434..e2be17cf 100644
--- a/backend/services/identity-service/prisma/schema.prisma
+++ b/backend/services/identity-service/prisma/schema.prisma
@@ -13,7 +13,7 @@ model UserAccount {
   
   phoneNumber     String?  @unique @map("phone_number") @db.VarChar(20)
   nickname        String   @db.VarChar(100)
-  avatarUrl       String?  @map("avatar_url") @db.VarChar(500)
+  avatarUrl       String?  @map("avatar_url") @db.VarChar(2000)
   
   inviterSequence BigInt?  @map("inviter_sequence")
   referralCode    String   @unique @map("referral_code") @db.VarChar(10)