diff --git a/tools/config/config.go b/tools/config/config.go
index 2a97eb95..6dbb52d1 100644
--- a/tools/config/config.go
+++ b/tools/config/config.go
@@ -58,7 +58,7 @@ func Setup(f func(opts ...source.Option) source.Source, options ...source.Option
 		Ssl:         SslConfig,
 		Logger:      LoggerConfig,
 		Jwt:         JwtConfig,
-		Database:    new(Database),
+		Database:    DatabaseConfig,
 		Databases:   &DatabasesConfig,
 		Gen:         GenConfig,
 		Extend:      ExtendConfig,
diff --git a/tools/config/database.go b/tools/config/database.go
index b4f8203f..f6f1dfa9 100644
--- a/tools/config/database.go
+++ b/tools/config/database.go
@@ -1,7 +1,5 @@
 package config
 
-import "gorm.io/plugin/dbresolver"
-
 type Database struct {
 	Driver          string
 	Source          string
@@ -22,7 +20,4 @@ type DBResolverConfig struct {
 var (
 	DatabaseConfig  = new(Database)
 	DatabasesConfig = make(map[string]*Database)
-	Policies        = map[string]dbresolver.Policy{
-		"random": dbresolver.RandomPolicy{},
-	}
 )