diff --git a/pkg/apis/core/v1/types.go b/pkg/apis/core/v1/project.go
similarity index 62%
rename from pkg/apis/core/v1/types.go
rename to pkg/apis/core/v1/project.go
index 9c69dfdcf..1a880ba36 100644
--- a/pkg/apis/core/v1/types.go
+++ b/pkg/apis/core/v1/project.go
@@ -9,29 +9,6 @@ const (
 	AppConfigurationBuilder BuilderType = "AppConfiguration"
 )
 
-// Project is a definition of Kusion Project resource.
-//
-// A project is composed of one or more applications and is linked to a Git repository,
-// which contains the project's desired manifests.
-type Project struct {
-	// Name is a required fully qualified name.
-	Name string `json:"name" yaml:"name"`
-
-	// Description is an optional informational description.
-	Description *string `json:"description,omitempty" yaml:"description,omitempty"`
-	// Labels is the list of labels that are assigned to this project.
-	Labels map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
-
-	// Path is a directory path within the Git repository.
-	Path string `json:"path,omitempty" yaml:"path,omitempty"`
-
-	// Generator controls how to generate the Intent.
-	Generator *GeneratorConfig `json:"generator,omitempty" yaml:"generator,omitempty"`
-
-	// The set of stacks that are known about this project.
-	Stacks []*Stack `json:"stacks,omitempty" yaml:"stacks,omitempty"`
-}
-
 // GeneratorConfig holds the intent generation configurations defined in Project resource.
 type GeneratorConfig struct {
 	// Type specifies the type of Generator. can be either "KCL" or "AppConfiguration".
@@ -40,20 +17,19 @@ type GeneratorConfig struct {
 	Configs map[string]interface{} `json:"configs,omitempty" yaml:"configs,omitempty"`
 }
 
-// Stack is a definition of Kusion Stack resource.
-//
-// Stack provides a mechanism to isolate multiple deploys of same application,
-// it's the target workspace that an application will be deployed to, also the
-// smallest operation unit that can be configured and deployed independently.
-type Stack struct {
+// Project is a definition of Kusion Project resource.
+// A project is composed of one or more applications and is linked to a Git repository, which contains the project's desired manifests.
+type Project struct {
 	// Name is a required fully qualified name.
 	Name string `json:"name" yaml:"name"`
-
 	// Description is an optional informational description.
 	Description *string `json:"description,omitempty" yaml:"description,omitempty"`
-	// Labels is the list of labels that are assigned to this stack.
+	// Labels is the list of labels that are assigned to this project.
 	Labels map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
-
 	// Path is a directory path within the Git repository.
 	Path string `json:"path,omitempty" yaml:"path,omitempty"`
+	// Generator controls how to generate the Intent.
+	Generator *GeneratorConfig `json:"generator,omitempty" yaml:"generator,omitempty"`
+	// The set of stacks that are known about this project.
+	Stacks []*Stack `json:"stacks,omitempty" yaml:"stacks,omitempty"`
 }
diff --git a/pkg/apis/core/v1/stack.go b/pkg/apis/core/v1/stack.go
new file mode 100644
index 000000000..fa9219741
--- /dev/null
+++ b/pkg/apis/core/v1/stack.go
@@ -0,0 +1,17 @@
+package v1
+
+// Stack is a definition of Kusion Stack resource.
+//
+// Stack provides a mechanism to isolate multiple deploys of same application,
+// it's the target workspace that an application will be deployed to, also the
+// smallest operation unit that can be configured and deployed independently.
+type Stack struct {
+	// Name is a required fully qualified name.
+	Name string `json:"name" yaml:"name"`
+	// Description is an optional informational description.
+	Description *string `json:"description,omitempty" yaml:"description,omitempty"`
+	// Labels is the list of labels that are assigned to this stack.
+	Labels map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
+	// Path is a directory path within the Git repository.
+	Path string `json:"path,omitempty" yaml:"path,omitempty"`
+}