diff --git a/pkg/client/orm/filter_orm_decorator.go b/pkg/client/orm/filter_orm_decorator.go
index 095c8485..5a49e395 100644
--- a/pkg/client/orm/filter_orm_decorator.go
+++ b/pkg/client/orm/filter_orm_decorator.go
@@ -32,7 +32,7 @@ var _ TxOrmer = new(filterOrmDecorator)
 
 type filterOrmDecorator struct {
 	ormer
-	modelRegister
+	modelCacheHandler
 	TxBeginner
 	TxCommitter
 
@@ -44,15 +44,15 @@ type filterOrmDecorator struct {
 }
 
 func (f *filterOrmDecorator) RegisterModels(models ...interface{}) (err error) {
-	return f.modelRegister.RegisterModels(models...)
+	return f.modelCacheHandler.RegisterModels(models...)
 }
 
 func (f *filterOrmDecorator) RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error) {
-	return f.modelRegister.RegisterModelsWithPrefix(prefix, models...)
+	return f.modelCacheHandler.RegisterModelsWithPrefix(prefix, models...)
 }
 
 func (f *filterOrmDecorator) RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error) {
-	return f.modelRegister.RegisterModelsWithSuffix(suffix, models...)
+	return f.modelCacheHandler.RegisterModelsWithSuffix(suffix, models...)
 }
 
 func NewFilterOrmDecorator(delegate Ormer, filterChains ...FilterChain) Ormer {
diff --git a/pkg/client/orm/models.go b/pkg/client/orm/models.go
index 97faa00a..55ba5a73 100644
--- a/pkg/client/orm/models.go
+++ b/pkg/client/orm/models.go
@@ -33,13 +33,10 @@ const (
 )
 
 var (
-	modelCache = &_modelCache{
-		cache:           make(map[string]*modelInfo),
-		cacheByFullName: make(map[string]*modelInfo),
-	}
+	modelCache = NewModelCacheHandler()
 )
 
-type modelRegister interface {
+type modelCacheHandler interface {
 	//RegisterModels register models without prefix or suffix
 	RegisterModels(models ...interface{}) (err error)
 	//RegisterModelsWithPrefix register models with prefix
@@ -57,7 +54,15 @@ type _modelCache struct {
 	done            bool
 }
 
-var _ modelRegister = new(_modelCache)
+//NewModelCacheHandler generator of _modelCache
+func NewModelCacheHandler() *_modelCache {
+	return &_modelCache{
+		cache:           make(map[string]*modelInfo),
+		cacheByFullName: make(map[string]*modelInfo),
+	}
+}
+
+var _ modelCacheHandler = new(_modelCache)
 
 func (mc *_modelCache) RegisterModels(models ...interface{}) (err error) {
 	return mc.register(``, true, models...)
diff --git a/pkg/client/orm/orm.go b/pkg/client/orm/orm.go
index d82f7e05..a18dae3c 100644
--- a/pkg/client/orm/orm.go
+++ b/pkg/client/orm/orm.go
@@ -498,21 +498,21 @@ func (o *ormBase) DBStats() *sql.DBStats {
 
 type orm struct {
 	ormBase
-	modelRegister
+	modelCacheHandler
 }
 
 var _ Ormer = new(orm)
 
 func (o *orm) RegisterModels(models ...interface{}) (err error) {
-	return o.modelRegister.RegisterModels(models)
+	return o.modelCacheHandler.RegisterModels(models)
 }
 
 func (o *orm) RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error) {
-	return o.modelRegister.RegisterModelsWithPrefix(prefix, models...)
+	return o.modelCacheHandler.RegisterModelsWithPrefix(prefix, models...)
 }
 
 func (o *orm) RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error) {
-	return o.modelRegister.RegisterModelsWithSuffix(suffix, models...)
+	return o.modelCacheHandler.RegisterModelsWithSuffix(suffix, models...)
 }
 
 func (o *orm) Begin() (TxOrmer, error) {
@@ -635,6 +635,8 @@ func newDBWithAlias(al *alias) Ormer {
 		o.db = al.DB
 	}
 
+	o.modelCacheHandler = NewModelCacheHandler()
+
 	if len(globalFilterChains) > 0 {
 		return NewFilterOrmDecorator(o, globalFilterChains...)
 	}
diff --git a/pkg/client/orm/types.go b/pkg/client/orm/types.go
index 584f0f8a..cee570af 100644
--- a/pkg/client/orm/types.go
+++ b/pkg/client/orm/types.go
@@ -214,7 +214,7 @@ type ormer interface {
 
 type Ormer interface {
 	ormer
-	modelRegister
+	modelCacheHandler
 	TxBeginner
 }