diff --git a/apis/apps/v1alpha1/type.go b/apis/apps/v1alpha1/type.go
index 69a8589ce94..a1b7db7a83f 100644
--- a/apis/apps/v1alpha1/type.go
+++ b/apis/apps/v1alpha1/type.go
@@ -90,7 +90,6 @@ type ConfigTemplateExtension struct {
 	// Specifies the name of the referenced configuration template ConfigMap object.
 	//
 	// +kubebuilder:validation:Required
-	// +kubebuilder:validation:MaxLength=63
 	// +kubebuilder:validation:Pattern:=`^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$`
 	TemplateRef string `json:"templateRef"`
 
@@ -98,7 +97,6 @@ type ConfigTemplateExtension struct {
 	// An empty namespace is equivalent to the "default" namespace.
 	//
 	// +kubebuilder:default="default"
-	// +kubebuilder:validation:MaxLength=63
 	// +kubebuilder:validation:Pattern:=`^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$`
 	// +optional
 	Namespace string `json:"namespace,omitempty"`
diff --git a/config/crd/bases/apps.kubeblocks.io_clusterdefinitions.yaml b/config/crd/bases/apps.kubeblocks.io_clusterdefinitions.yaml
index c905dd54452..b902ff95ab1 100644
--- a/config/crd/bases/apps.kubeblocks.io_clusterdefinitions.yaml
+++ b/config/crd/bases/apps.kubeblocks.io_clusterdefinitions.yaml
@@ -301,7 +301,6 @@ spec:
                                 description: |-
                                   Specifies the namespace of the referenced configuration template ConfigMap object.
                                   An empty namespace is equivalent to the "default" namespace.
-                                maxLength: 63
                                 pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                                 type: string
                               policy:
@@ -316,7 +315,6 @@ spec:
                               templateRef:
                                 description: Specifies the name of the referenced
                                   configuration template ConfigMap object.
-                                maxLength: 63
                                 pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                                 type: string
                             required:
diff --git a/config/crd/bases/apps.kubeblocks.io_componentdefinitions.yaml b/config/crd/bases/apps.kubeblocks.io_componentdefinitions.yaml
index 26f7abfb1a1..c714cf2fbfb 100644
--- a/config/crd/bases/apps.kubeblocks.io_componentdefinitions.yaml
+++ b/config/crd/bases/apps.kubeblocks.io_componentdefinitions.yaml
@@ -219,7 +219,6 @@ spec:
                           description: |-
                             Specifies the namespace of the referenced configuration template ConfigMap object.
                             An empty namespace is equivalent to the "default" namespace.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                           type: string
                         policy:
@@ -234,7 +233,6 @@ spec:
                         templateRef:
                           description: Specifies the name of the referenced configuration
                             template ConfigMap object.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                           type: string
                       required:
diff --git a/config/crd/bases/apps.kubeblocks.io_configurations.yaml b/config/crd/bases/apps.kubeblocks.io_configurations.yaml
index cba96560c73..861788bc31a 100644
--- a/config/crd/bases/apps.kubeblocks.io_configurations.yaml
+++ b/config/crd/bases/apps.kubeblocks.io_configurations.yaml
@@ -216,7 +216,6 @@ spec:
                               description: |-
                                 Specifies the namespace of the referenced configuration template ConfigMap object.
                                 An empty namespace is equivalent to the "default" namespace.
-                              maxLength: 63
                               pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                               type: string
                             policy:
@@ -231,7 +230,6 @@ spec:
                             templateRef:
                               description: Specifies the name of the referenced configuration
                                 template ConfigMap object.
-                              maxLength: 63
                               pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                               type: string
                           required:
@@ -304,7 +302,6 @@ spec:
                           description: |-
                             Specifies the namespace of the referenced configuration template ConfigMap object.
                             An empty namespace is equivalent to the "default" namespace.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                           type: string
                         policy:
@@ -319,7 +316,6 @@ spec:
                         templateRef:
                           description: Specifies the name of the referenced configuration
                             template ConfigMap object.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                           type: string
                       required:
diff --git a/deploy/helm/crds/apps.kubeblocks.io_clusterdefinitions.yaml b/deploy/helm/crds/apps.kubeblocks.io_clusterdefinitions.yaml
index c905dd54452..b902ff95ab1 100644
--- a/deploy/helm/crds/apps.kubeblocks.io_clusterdefinitions.yaml
+++ b/deploy/helm/crds/apps.kubeblocks.io_clusterdefinitions.yaml
@@ -301,7 +301,6 @@ spec:
                                 description: |-
                                   Specifies the namespace of the referenced configuration template ConfigMap object.
                                   An empty namespace is equivalent to the "default" namespace.
-                                maxLength: 63
                                 pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                                 type: string
                               policy:
@@ -316,7 +315,6 @@ spec:
                               templateRef:
                                 description: Specifies the name of the referenced
                                   configuration template ConfigMap object.
-                                maxLength: 63
                                 pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                                 type: string
                             required:
diff --git a/deploy/helm/crds/apps.kubeblocks.io_componentdefinitions.yaml b/deploy/helm/crds/apps.kubeblocks.io_componentdefinitions.yaml
index 26f7abfb1a1..c714cf2fbfb 100644
--- a/deploy/helm/crds/apps.kubeblocks.io_componentdefinitions.yaml
+++ b/deploy/helm/crds/apps.kubeblocks.io_componentdefinitions.yaml
@@ -219,7 +219,6 @@ spec:
                           description: |-
                             Specifies the namespace of the referenced configuration template ConfigMap object.
                             An empty namespace is equivalent to the "default" namespace.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                           type: string
                         policy:
@@ -234,7 +233,6 @@ spec:
                         templateRef:
                           description: Specifies the name of the referenced configuration
                             template ConfigMap object.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                           type: string
                       required:
diff --git a/deploy/helm/crds/apps.kubeblocks.io_configurations.yaml b/deploy/helm/crds/apps.kubeblocks.io_configurations.yaml
index cba96560c73..861788bc31a 100644
--- a/deploy/helm/crds/apps.kubeblocks.io_configurations.yaml
+++ b/deploy/helm/crds/apps.kubeblocks.io_configurations.yaml
@@ -216,7 +216,6 @@ spec:
                               description: |-
                                 Specifies the namespace of the referenced configuration template ConfigMap object.
                                 An empty namespace is equivalent to the "default" namespace.
-                              maxLength: 63
                               pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                               type: string
                             policy:
@@ -231,7 +230,6 @@ spec:
                             templateRef:
                               description: Specifies the name of the referenced configuration
                                 template ConfigMap object.
-                              maxLength: 63
                               pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                               type: string
                           required:
@@ -304,7 +302,6 @@ spec:
                           description: |-
                             Specifies the namespace of the referenced configuration template ConfigMap object.
                             An empty namespace is equivalent to the "default" namespace.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\-]*[a-z0-9])?$
                           type: string
                         policy:
@@ -319,7 +316,6 @@ spec:
                         templateRef:
                           description: Specifies the name of the referenced configuration
                             template ConfigMap object.
-                          maxLength: 63
                           pattern: ^[a-z0-9]([a-z0-9\.\-]*[a-z0-9])?$
                           type: string
                       required: