diff --git a/src/IR/block/base/content/file.js b/src/IR/block/base/content/file.js
index 048f1889..2db1017b 100644
--- a/src/IR/block/base/content/file.js
+++ b/src/IR/block/base/content/file.js
@@ -1,59 +1,49 @@
 import { folderTypeName, tagTypeName, fileTypeName } from '../type/constant'
 import { Content } from './base'
-const category = {
-  folder: 0,
-  file: 1,
-  tag: 2
+const CATEGORY = {
+  FOLDER: 0,
+  FILE: 1,
+  TAG: 2
 }
 
 class FileContent extends Content {
-  constructor (id, name, path, content) {
-    super(fileTypeName, content)
+  constructor (id, name, path, depth) {
+    super(fileTypeName, name)
     this.id = id
     this.name = name
     this.path = path
-  }
-
-  getFileJson () {
-    return {
-      name: this.name,
-      path: this.path,
-      content: this.text
-    }
+    this.depth = depth
   }
 
   getNodeJson () {
     return {
       id: this.id,
       name: this.name,
-      category: category.file
+      category: CATEGORY.FILE,
+      depth: this.depth
     }
   }
 }
+
 class FolderContent extends Content {
-  constructor (id, name, path) {
+  constructor (id, name, path, depth) {
     super(folderTypeName, name)
     this.id = id
     this.name = name
     this.path = path
-  }
-
-  getFileJson () {
-    return {
-      name: this.text,
-      path: this.path,
-      children: []
-    }
+    this.depth = depth
   }
 
   getNodeJson () {
     return {
       id: this.id,
       name: this.name,
-      category: category.folder
+      category: CATEGORY.FOLDER,
+      depth: this.depth
     }
   }
 }
+
 class TagContent extends Content {
   constructor (id, name) {
     super(tagTypeName, name)
@@ -65,7 +55,7 @@ class TagContent extends Content {
     return {
       id: this.id,
       name: this.name,
-      category: category.tag
+      category: CATEGORY.TAG
     }
   }
 }
diff --git a/src/IR/block/factory/buildNode.js b/src/IR/block/factory/buildNode.js
index 3862aeca..8b6c1826 100644
--- a/src/IR/block/factory/buildNode.js
+++ b/src/IR/block/factory/buildNode.js
@@ -55,12 +55,12 @@ function buildTable (cells) {
   return new TreeNode(paragraphTypeName, new TableContent(cells))
 }
 
-function buildFileNode (id, name, path, content) {
-  return new TreeNode(fileTypeName, new FileContent(id, name, path, content))
+function buildFileNode (id, name, path, depth) {
+  return new TreeNode(fileTypeName, new FileContent(id, name, path, depth))
 }
 
-function buildFolderNode (id, name, path) {
-  return new TreeNode(folderTypeName, new FolderContent(id, name, path))
+function buildFolderNode (id, name, path, depth) {
+  return new TreeNode(folderTypeName, new FolderContent(id, name, path, depth))
 }
 
 function buildTagNode (id, name) {
diff --git a/src/IR/component/graph.js b/src/IR/component/graph.js
index 10018f4d..ecfdd4df 100644
--- a/src/IR/component/graph.js
+++ b/src/IR/component/graph.js
@@ -21,23 +21,23 @@ export default class IRGraph {
      * @param {{name: string, path: string, children: [any], type: string}} files
      * @returns
      */
-  parseFileTree (files) {
+  parseFileTree (files, depth) {
     let newNode
     if (files.type === 'folder') {
-      newNode = buildFolderNode(this.allocNodeID(), files.name, files.path)
+      newNode = buildFolderNode(this.allocNodeID(), files.name, files.path, depth)
       this.treenodes.push(newNode)
       files.children.forEach(e => {
-        newNode.insertAtLast(this.parseFileTree(e))
+        newNode.insertAtLast(this.parseFileTree(e, depth + 1))
       })
     } else {
-      newNode = buildFileNode(this.allocNodeID(), files.name, files.path, files.content)
+      newNode = buildFileNode(this.allocNodeID(), files.name, files.path, depth)
       this.treenodes.push(newNode)
     }
     return newNode
   }
 
   addFiles (files) {
-    this.graph = this.parseFileTree(files)
+    this.graph = this.parseFileTree(files, 1)
     this.makeEdges()
   }
 
@@ -120,12 +120,6 @@ export default class IRGraph {
     return this.edges.concat(this.relations).concat(this.aerials)
   }
 
-  getFileTreeJson () {
-    if (this.graph) {
-      return this.graph.toFileTreeJson()
-    }
-  }
-
   /**
    * 获得一个独有的nodeID
    */
diff --git a/test/IR/factory/mindgraph.test.js b/test/IR/factory/mindgraph.test.js
index b703b5b0..cfd843a7 100644
--- a/test/IR/factory/mindgraph.test.js
+++ b/test/IR/factory/mindgraph.test.js
@@ -1,11 +1,11 @@
 import { buildGraphFromFileTree } from '../../../src/IR/block/factory/filesToGraph'
 import assert from 'assert'
-import { files, res1, nodes1, link1 } from '../data/file.js'
+import { files, nodes1, link1 } from '../data/file.js'
 describe('fileJson到IR测试', function () {
   const irgraph = buildGraphFromFileTree(files)
-  it('简单文件树结构测试', function () {
-    assert.deepStrictEqual(irgraph.getFileTreeJson(), res1)
-  })
+  // it('简单文件树结构测试', function () {
+  //   assert.deepStrictEqual(irgraph.getFileTreeJson(), res1)
+  // })
   it('简单文件树结构到nodes', function () {
     assert.deepStrictEqual(irgraph.getNodes(), nodes1)
   })