diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 6002d92..8bcd446 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -44,6 +44,9 @@ jobs:
             echo "[deploy] Found failed migration: $FAILED, cleaning up..."
             $MYSQL_CMD -e "DROP TABLE IF EXISTS AiUsageLog;" 2>/dev/null || true
             $MYSQL_CMD -e "DROP TABLE IF EXISTS WaitlistEntry;" 2>/dev/null || true
+            $MYSQL_CMD -e "DROP TABLE IF EXISTS ModelRoute;" 2>/dev/null || true
+            $MYSQL_CMD -e "DROP TABLE IF EXISTS ProviderConfig;" 2>/dev/null || true
+            $MYSQL_CMD -e "DROP TABLE IF EXISTS FallbackEvent;" 2>/dev/null || true
             $MYSQL_CMD -e "ALTER TABLE UploadedFile DROP COLUMN objectKey;" 2>/dev/null || true
             $MYSQL_CMD -e "ALTER TABLE UploadedFile DROP COLUMN bucket;" 2>/dev/null || true
             $MYSQL_CMD -e "DROP INDEX UploadedFile_objectKey_idx ON UploadedFile;" 2>/dev/null || true
diff --git a/prisma/migrations/20260524000000_add_model_route/migration.sql b/prisma/migrations/20260524000000_add_model_route/migration.sql
index 445842b..7c7dccf 100644
--- a/prisma/migrations/20260524000000_add_model_route/migration.sql
+++ b/prisma/migrations/20260524000000_add_model_route/migration.sql
@@ -1,5 +1,5 @@
 -- CreateTable
-CREATE TABLE `ModelRoute` (
+CREATE TABLE IF NOT EXISTS `ModelRoute` (
     `id` VARCHAR(191) NOT NULL,
     `tier` VARCHAR(32) NOT NULL,
     `taskType` VARCHAR(32) NOT NULL DEFAULT '*',
@@ -18,7 +18,7 @@ CREATE TABLE `ModelRoute` (
 ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
 -- CreateTable
-CREATE TABLE `ProviderConfig` (
+CREATE TABLE IF NOT EXISTS `ProviderConfig` (
     `id` VARCHAR(191) NOT NULL,
     `name` VARCHAR(32) NOT NULL,
     `enabled` BOOLEAN NOT NULL DEFAULT true,
@@ -32,7 +32,7 @@ CREATE TABLE `ProviderConfig` (
 ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
 -- CreateTable
-CREATE TABLE `FallbackEvent` (
+CREATE TABLE IF NOT EXISTS `FallbackEvent` (
     `id` VARCHAR(191) NOT NULL,
     `tier` VARCHAR(32) NOT NULL,
     `taskType` VARCHAR(32) NOT NULL,
@@ -46,14 +46,14 @@ CREATE TABLE `FallbackEvent` (
     PRIMARY KEY (`id`)
 ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
--- Seed default routes
-INSERT INTO `ModelRoute` (`id`, `tier`, `taskType`, `preferredProvider`, `preferredModel`, `fallbackProvider`, `fallbackModel`, `maxRetries`) VALUES
+-- Seed default routes (skip if already exist)
+INSERT IGNORE INTO `ModelRoute` (`id`, `tier`, `taskType`, `preferredProvider`, `preferredModel`, `fallbackProvider`, `fallbackModel`, `maxRetries`) VALUES
 ('route-cheap-default', 'cheap', '*', 'deepseek', 'deepseek-v4-flash', 'deepseek', 'deepseek-v4-flash', 2),
 ('route-primary-default', 'primary', '*', 'minimax', 'minimax-m2.7', 'deepseek', 'deepseek-v4-pro', 3),
 ('route-strong-default', 'strong', '*', 'deepseek', 'deepseek-v4-pro', 'deepseek', 'deepseek-v4-pro', 3);
 
--- Seed provider configs
-INSERT INTO `ProviderConfig` (`id`, `name`, `enabled`) VALUES
+-- Seed provider configs (skip if already exist)
+INSERT IGNORE INTO `ProviderConfig` (`id`, `name`, `enabled`) VALUES
 ('prov-deepseek', 'deepseek', true),
 ('prov-minimax', 'minimax', true),
 ('prov-siliconflow', 'siliconflow', true),