diff --git a/src/lib/prisma.ts b/src/lib/prisma.ts
index ecdf6af..7223928 100644
--- a/src/lib/prisma.ts
+++ b/src/lib/prisma.ts
@@ -9,7 +9,7 @@ function createPrismaClient() {
   if (!process.env.DATABASE_URL) {
     throw new Error("DATABASE_URL 环境变量未设置，无法连接数据库");
   }
-  const base = process.env.DATABASE_URL;
+  const base = process.env.DATABASE_URL.replace("mysql://", "mariadb://");
   const sep = base.includes("?") ? "&" : "?";
   const connectionString = `${base}${sep}connection_limit=20&pool_timeout=30`;
   const adapter = new PrismaMariaDb(connectionString);