diff --git a/pkg/generator/appconfiguration/generator/app_configurations_generator.go b/pkg/generator/appconfiguration/generator/app_configurations_generator.go
index 7f40f732..adf5fa4a 100644
--- a/pkg/generator/appconfiguration/generator/app_configurations_generator.go
+++ b/pkg/generator/appconfiguration/generator/app_configurations_generator.go
@@ -6,6 +6,7 @@ import (
 	"kusionstack.io/kusion/pkg/generator"
 	"kusionstack.io/kusion/pkg/generator/appconfiguration"
 	accessories "kusionstack.io/kusion/pkg/generator/appconfiguration/generator/accessories/database"
+	"kusionstack.io/kusion/pkg/generator/appconfiguration/generator/trait"
 	"kusionstack.io/kusion/pkg/generator/appconfiguration/generator/workload"
 	"kusionstack.io/kusion/pkg/models"
 	appmodel "kusionstack.io/kusion/pkg/models/appconfiguration"
@@ -93,6 +94,7 @@ func (g *appConfigurationGenerator) Generate(spec *models.Spec) error {
 		NewNamespaceGeneratorFunc(g.project.Name),
 		accessories.NewDatabaseGeneratorFunc(g.project, g.stack, g.appName, g.app.Workload, g.app.Database),
 		workload.NewWorkloadGeneratorFunc(g.project, g.stack, g.appName, g.app.Workload, g.app.Monitoring, g.app.OpsRule),
+		trait.NewOpsRuleGeneratorFunc(g.project, g.stack, g.appName, g.app),
 		NewMonitoringGeneratorFunc(g.project, g.app.Monitoring, g.appName),
 		// The OrderedResourcesGenerator should be executed after all resources are generated.
 		NewOrderedResourcesGeneratorFunc(),
diff --git a/pkg/generator/appconfiguration/generator/trait/ops_rule_generator.go b/pkg/generator/appconfiguration/generator/trait/ops_rule_generator.go
index ac4ecccf..6c85f8d4 100644
--- a/pkg/generator/appconfiguration/generator/trait/ops_rule_generator.go
+++ b/pkg/generator/appconfiguration/generator/trait/ops_rule_generator.go
@@ -45,6 +45,10 @@ func NewOpsRuleGeneratorFunc(
 }
 
 func (g *opsRuleGenerator) Generate(spec *models.Spec) error {
+	if g.app.OpsRule == nil {
+		return nil
+	}
+
 	if g.app.Workload.Header.Type != workload.TypeService {
 		return nil
 	}