diff --git a/object/application.go b/object/application.go
index f8a03f32..d3de2d29 100644
--- a/object/application.go
+++ b/object/application.go
@@ -206,6 +206,10 @@ func UpdateApplication(id string, application *Application) bool {
 		return false
 	}
 
+	if name == "app-built-in" {
+		application.Name = name
+	}
+
 	for _, providerItem := range application.Providers {
 		providerItem.Provider = nil
 	}
@@ -234,6 +238,10 @@ func AddApplication(application *Application) bool {
 }
 
 func DeleteApplication(application *Application) bool {
+	if application.Name == "app-built-in" {
+		return false
+	}
+
 	affected, err := adapter.Engine.ID(core.PK{application.Owner, application.Name}).Delete(&Application{})
 	if err != nil {
 		panic(err)
diff --git a/object/organization.go b/object/organization.go
index bc5f2966..687b4075 100644
--- a/object/organization.go
+++ b/object/organization.go
@@ -112,6 +112,10 @@ func UpdateOrganization(id string, organization *Organization) bool {
 		return false
 	}
 
+	if name == "built-in" {
+		organization.Name = name
+	}
+
 	if organization.MasterPassword != "" {
 		credManager := cred.GetCredManager(organization.PasswordType)
 		if credManager != nil {
@@ -138,6 +142,10 @@ func AddOrganization(organization *Organization) bool {
 }
 
 func DeleteOrganization(organization *Organization) bool {
+	if organization.Name == "built-in" {
+		return false
+	}
+
 	affected, err := adapter.Engine.ID(core.PK{organization.Owner, organization.Name}).Delete(&Organization{})
 	if err != nil {
 		panic(err)
diff --git a/web/src/ApplicationEditPage.js b/web/src/ApplicationEditPage.js
index 3edfc527..0153ff07 100644
--- a/web/src/ApplicationEditPage.js
+++ b/web/src/ApplicationEditPage.js
@@ -132,7 +132,7 @@ class ApplicationEditPage extends React.Component {
             {Setting.getLabel(i18next.t("general:Name"), i18next.t("general:Name - Tooltip"))} :
           </Col>
           <Col span={22} >
-            <Input value={this.state.application.name} onChange={e => {
+            <Input value={this.state.application.name} disabled={this.state.application.name === "app-built-in"} onChange={e => {
               this.updateApplicationField('name', e.target.value);
             }} />
           </Col>
diff --git a/web/src/ApplicationListPage.js b/web/src/ApplicationListPage.js
index 447d318f..73e600a7 100644
--- a/web/src/ApplicationListPage.js
+++ b/web/src/ApplicationListPage.js
@@ -236,8 +236,9 @@ class ApplicationListPage extends React.Component {
               <Popconfirm
                 title={`Sure to delete application: ${record.name} ?`}
                 onConfirm={() => this.deleteApplication(index)}
+                disabled={record.name === "app-built-in"}
               >
-                <Button style={{marginBottom: '10px'}} type="danger">{i18next.t("general:Delete")}</Button>
+                <Button style={{marginBottom: '10px'}} disabled={record.name === "app-built-in"} type="danger">{i18next.t("general:Delete")}</Button>
               </Popconfirm>
             </div>
           )
diff --git a/web/src/OrganizationEditPage.js b/web/src/OrganizationEditPage.js
index fa2390bf..973c44a8 100644
--- a/web/src/OrganizationEditPage.js
+++ b/web/src/OrganizationEditPage.js
@@ -94,7 +94,7 @@ class OrganizationEditPage extends React.Component {
             {Setting.getLabel(i18next.t("general:Name"), i18next.t("general:Name - Tooltip"))} :
           </Col>
           <Col span={22} >
-            <Input value={this.state.organization.name} onChange={e => {
+            <Input value={this.state.organization.name} disabled={this.state.organization.name === "built-in"} onChange={e => {
               this.updateOrganizationField('name', e.target.value);
             }} />
           </Col>
diff --git a/web/src/OrganizationListPage.js b/web/src/OrganizationListPage.js
index e907fc31..cc913891 100644
--- a/web/src/OrganizationListPage.js
+++ b/web/src/OrganizationListPage.js
@@ -210,8 +210,9 @@ class OrganizationListPage extends React.Component {
               <Popconfirm
                 title={`Sure to delete organization: ${record.name} ?`}
                 onConfirm={() => this.deleteOrganization(index)}
+                disabled={record.name === "built-in"}
               >
-                <Button style={{marginBottom: '10px'}} type="danger">{i18next.t("general:Delete")}</Button>
+                <Button style={{marginBottom: '10px'}} disabled={record.name === "built-in"} type="danger">{i18next.t("general:Delete")}</Button>
               </Popconfirm>
             </div>
           )