diff --git a/registry/registry.go b/registry/registry.go
index 39684b3..e72e945 100644
--- a/registry/registry.go
+++ b/registry/registry.go
@@ -19,7 +19,7 @@ func init() {
 var registry ComponentRegistry
 
 type ComponentRegistry interface {
-	RegisterType(t reflect.Type) error
+	RegisterType(t reflect.Type)
 	RegisterResource(name string, resource interface{}) error
 
 	GetInstance(t reflect.Type) (interface{}, error)
@@ -45,30 +45,30 @@ type defaultComponentRegistry struct {
 	resourceByName   map[string]interface{}
 }
 
-func RegisterType(t reflect.Type) error {
+func RegisterType(t reflect.Type) {
 	pc, _, _, ok := runtime.Caller(1)
 	details := runtime.FuncForPC(pc)
 	if ok && details != nil {
 		log.Printf("called from %s", details.Name())
 	}
 
-	return registry.RegisterType(t)
+	registry.RegisterType(t)
 }
-func (cr *defaultComponentRegistry) RegisterType(t reflect.Type) error {
+func (cr *defaultComponentRegistry) RegisterType(t reflect.Type) {
 	if nil == t {
-		return fmt.Errorf("DI: t[reflect.Type] is nil")
+		log.Panicf("DI: t[reflect.Type] is nil")
 	}
 	if !cur.IsTypeKind(t, reflect.Struct, true) {
-		return fmt.Errorf("DI: t[reflect.Type] must be specified but is %v", t)
+		log.Panicf("DI: t[reflect.Type] must be specified but is %v", t)
 	}
 
 	td, err := cr.buildDefinition(t)
 	if nil != err {
-		return fmt.Errorf("DI: %v", err)
+		log.Panicf("DI: %v", err)
 	}
 
 	if _, ok := cr.definitionByType[td.RealType]; ok {
-		return fmt.Errorf("DI: The type[%s] of Component is exist already", td.FullName)
+		log.Panicf("DI: The type[%s] of Component is exist already", td.FullName)
 	}
 	cr.definitionByType[td.RealType] = td
 
@@ -82,11 +82,9 @@ func (cr *defaultComponentRegistry) RegisterType(t reflect.Type) error {
 	}
 
 	if eTD, ok := cr.definitionByName[name]; ok {
-		return fmt.Errorf("DI: The name[%s] of Component is exist already type[%s]", name, eTD.FullName)
+		log.Panicf("DI: The name[%s] of Component is exist already type[%s]", name, eTD.FullName)
 	}
 	cr.definitionByName[name] = td
-
-	return nil
 }
 
 func RegisterResource(name string, resource interface{}) error {