diff --git a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeParentScope.java b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeParentScope.java
index 2f784f3a..6692dc2f 100644
--- a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeParentScope.java
+++ b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeParentScope.java
@@ -6,19 +6,12 @@ package cn.axzo.nanopart.doc.api.domain;
  */
 public interface IndexNodeParentScope {
 
-	default IndexNodeScope nodeScope() {
-		return IndexNodeScope.NONE;
-	}
+	IndexNodeScope nodeScope();
 
 	default String parentCode() {
 		return "";
 	}
 
-	IndexNodeParentScope TEMPLATE_DATABASE_ROOT = new IndexNodeParentScope() {
-		@Override
-		public IndexNodeScope nodeScope() {
-			return IndexNodeScope.TEMPLATE_DATABASE;
-		}
-	};
+	IndexNodeParentScope TEMPLATE_DATABASE_ROOT = () -> IndexNodeScope.TEMPLATE_DATABASE;
 
 }
diff --git a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeScope.java b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeScope.java
index fcb8366b..8cf35e3e 100644
--- a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeScope.java
+++ b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/domain/IndexNodeScope.java
@@ -9,9 +9,7 @@ import cn.axzo.nanopart.doc.api.enums.IndexNodeContext;
  */
 public interface IndexNodeScope {
 
-	default IndexNodeContext context() {
-		return IndexNodeContext.NONE;
-	}
+	IndexNodeContext context();
 
 	default DatabaseScope scope() {
 		return DatabaseScope.NONE;
@@ -32,22 +30,10 @@ public interface IndexNodeScope {
 		}
 	}
 
-	// @formatter:off
-	IndexNodeScope NONE = new IndexNodeScope() {};
-	// @formatter:on
+	IndexNodeScope NONE = () -> IndexNodeContext.NONE;
 
-	IndexNodeScope FILE_TEMPLATE = new IndexNodeScope() {
-		@Override
-		public IndexNodeContext context() {
-			return IndexNodeContext.FILE_TEMPLATE;
-		}
-	};
+	IndexNodeScope FILE_TEMPLATE = () -> IndexNodeContext.FILE_TEMPLATE;
 
-	IndexNodeScope TEMPLATE_DATABASE = new IndexNodeScope() {
-		@Override
-		public IndexNodeContext context() {
-			return IndexNodeContext.TEMPLATE_DATABASE;
-		}
-	};
+	IndexNodeScope TEMPLATE_DATABASE = () -> IndexNodeContext.TEMPLATE_DATABASE;
 
 }
diff --git a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/enums/IndexNodeContext.java b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/enums/IndexNodeContext.java
index 4248df28..135f4726 100644
--- a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/enums/IndexNodeContext.java
+++ b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/enums/IndexNodeContext.java
@@ -6,8 +6,6 @@ package cn.axzo.nanopart.doc.api.enums;
  */
 public enum IndexNodeContext {
 	NONE,
-	// 系统内置
-	SYSTEM,
 	// 文件模版
 	FILE_TEMPLATE,
 	// 模版数据库