diff --git a/src/menu/modules/demo-playground.js b/src/menu/modules/demo-playground.js
index 2694de35..acc3c425 100644
--- a/src/menu/modules/demo-playground.js
+++ b/src/menu/modules/demo-playground.js
@@ -40,9 +40,7 @@ export default {
       title: '数据持久化',
       icon: 'database',
       children: [
-        { path: `${pre}db/all`, title: '全部数据', icon: 'table' },
-        { path: `${pre}db/user`, title: '用户数据', icon: 'user' },
-        { path: `${pre}db/public`, title: '公用数据', icon: 'users' }
+        { path: `${pre}db/util`, title: 'db.util', icon: 'cube' }
       ]
     },
     {
diff --git a/src/pages/demo/playground/db/all/index.vue b/src/pages/demo/playground/db/all/index.vue
deleted file mode 100644
index 93ecdf33..00000000
--- a/src/pages/demo/playground/db/all/index.vue
+++ /dev/null
@@ -1,29 +0,0 @@
-<template>
-  <d2-container class="page">
-    <template slot="header">
-      <el-button type="primary" @click="load">
-        重新获取本地数据
-      </el-button>
-    </template>
-    <d2-highlight :code="dbData"/>
-  </d2-container>
-</template>
-
-<script>
-import db from '@/libs/db.js'
-export default {
-  data () {
-    return {
-      dbData: ''
-    }
-  },
-  mounted () {
-    this.load()
-  },
-  methods: {
-    load () {
-      this.dbData = JSON.stringify(db.value(), null, 2)
-    }
-  }
-}
-</script>
diff --git a/src/pages/demo/playground/db/public/index.vue b/src/pages/demo/playground/db/public/index.vue
deleted file mode 100644
index d5948805..00000000
--- a/src/pages/demo/playground/db/public/index.vue
+++ /dev/null
@@ -1,121 +0,0 @@
-<template>
-  <d2-container class="page">
-    <template slot="header">持久化存储公用数据（所有用户共享）</template>
-    <el-row>
-      <el-col :span="12">
-        <p class="d2-mt-0">增加不重复字段</p>
-        <el-button @click="handleSetRandom">增加</el-button>
-        <p>增加自定义字段</p>
-        <el-input v-model="keyNameToSet" placeholder="字段名" class="d2-mr-5" style="width: 100px;"/>
-        <el-input v-model="valueToSet" placeholder="值" class="d2-mr-5" style="width: 100px;"/>
-        <el-button @click="handleSet">增加</el-button>
-        <p>删除字段</p>
-        <el-select
-          v-model="keyNameToDelete"
-          placeholder="请选择要删除的 key">
-          <el-option
-            v-for="item in keyNameList"
-            :key="item.value"
-            :label="item.label"
-            :value="item.value">
-          </el-option>
-        </el-select>
-        <p>清空当前用户数据</p>
-        <el-button @click="handleClear">清空</el-button>
-      </el-col>
-      <el-col :span="12">
-        <d2-highlight :code="dataDisplay"/>
-      </el-col>
-    </el-row>
-  </d2-container>
-</template>
-
-<script>
-import day from 'dayjs'
-import { mapMutations } from 'vuex'
-export default {
-  data () {
-    return {
-      dataDisplay: '',
-      keyNameToSet: '',
-      valueToSet: '',
-      keyNameList: [],
-      keyNameToDelete: ''
-    }
-  },
-  watch: {
-    keyNameToDelete (value) {
-      if (value) {
-        this.handleDelete(value)
-      }
-    }
-  },
-  mounted () {
-    this.load()
-  },
-  methods: {
-    ...mapMutations('d2admin', [
-      'utilDatabase',
-      'utilDatabaseClear'
-    ]),
-    /**
-     * 加载本地数据
-     */
-    load () {
-      this.utilDatabase(database => {
-        this.dataDisplay = JSON.stringify(database.value(), null, 2)
-        this.keyNameList = Object.keys(database.value()).map(k => ({
-          value: k,
-          label: k
-        }))
-      })
-    },
-    /**
-     * 删除一个字段
-     */
-    handleDelete (name) {
-      this.utilDatabase(database => {
-        database
-          .unset(name)
-          .write()
-      })
-      this.load()
-      this.keyNameToDelete = ''
-    },
-    /**
-     * 清空当前用户的数据
-     */
-    handleClear () {
-      this.utilDatabaseClear()
-      this.load()
-    },
-    /**
-     * 添加一个数据
-     */
-    handleSet () {
-      if (this.keyNameToSet === '') {
-        this.$message.error('字段名不能为空')
-        return
-      }
-      this.utilDatabase(database => {
-        database
-          .set(this.keyNameToSet, this.valueToSet)
-          .write()
-      })
-      this.load()
-    },
-    /**
-     * 添加一个随机数据
-     */
-    handleSetRandom () {
-      this.utilDatabase(database => {
-        const id = day().valueOf()
-        database
-          .set(id, Math.round(id * Math.random()))
-          .write()
-      })
-      this.load()
-    }
-  }
-}
-</script>
diff --git a/src/pages/demo/playground/db/user/index.vue b/src/pages/demo/playground/db/user/index.vue
deleted file mode 100644
index b70eb776..00000000
--- a/src/pages/demo/playground/db/user/index.vue
+++ /dev/null
@@ -1,121 +0,0 @@
-<template>
-  <d2-container class="page">
-    <template slot="header">持久化存储用户数据（用户区分存储）</template>
-    <el-row>
-      <el-col :span="12">
-        <p class="d2-mt-0">增加不重复字段</p>
-        <el-button @click="handleSetRandom">增加</el-button>
-        <p>增加自定义字段</p>
-        <el-input v-model="keyNameToSet" placeholder="字段名" class="d2-mr-5" style="width: 100px;"/>
-        <el-input v-model="valueToSet" placeholder="值" class="d2-mr-5" style="width: 100px;"/>
-        <el-button @click="handleSet">增加</el-button>
-        <p>删除字段</p>
-        <el-select
-          v-model="keyNameToDelete"
-          placeholder="请选择要删除的 key">
-          <el-option
-            v-for="item in keyNameList"
-            :key="item.value"
-            :label="item.label"
-            :value="item.value">
-          </el-option>
-        </el-select>
-        <p>清空当前用户数据</p>
-        <el-button @click="handleClear">清空</el-button>
-      </el-col>
-      <el-col :span="12">
-        <d2-highlight :code="dataDisplay"/>
-      </el-col>
-    </el-row>
-  </d2-container>
-</template>
-
-<script>
-import day from 'dayjs'
-import { mapMutations } from 'vuex'
-export default {
-  data () {
-    return {
-      dataDisplay: '',
-      keyNameToSet: '',
-      valueToSet: '',
-      keyNameList: [],
-      keyNameToDelete: ''
-    }
-  },
-  watch: {
-    keyNameToDelete (value) {
-      if (value) {
-        this.handleDelete(value)
-      }
-    }
-  },
-  mounted () {
-    this.load()
-  },
-  methods: {
-    ...mapMutations('d2admin', [
-      'utilDatabaseUser',
-      'utilDatabaseUserClear'
-    ]),
-    /**
-     * 加载本地数据
-     */
-    load () {
-      this.utilDatabaseUser(database => {
-        this.dataDisplay = JSON.stringify(database.value(), null, 2)
-        this.keyNameList = Object.keys(database.value()).map(k => ({
-          value: k,
-          label: k
-        }))
-      })
-    },
-    /**
-     * 删除一个字段
-     */
-    handleDelete (name) {
-      this.utilDatabaseUser(database => {
-        database
-          .unset(name)
-          .write()
-      })
-      this.load()
-      this.keyNameToDelete = ''
-    },
-    /**
-     * 清空当前用户的数据
-     */
-    handleClear () {
-      this.utilDatabaseUserClear()
-      this.load()
-    },
-    /**
-     * 添加一个数据
-     */
-    handleSet () {
-      if (this.keyNameToSet === '') {
-        this.$message.error('字段名不能为空')
-        return
-      }
-      this.utilDatabaseUser(database => {
-        database
-          .set(this.keyNameToSet, this.valueToSet)
-          .write()
-      })
-      this.load()
-    },
-    /**
-     * 添加一个随机数据
-     */
-    handleSetRandom () {
-      this.utilDatabaseUser(database => {
-        const id = day().valueOf()
-        database
-          .set(id, Math.round(id * Math.random()))
-          .write()
-      })
-      this.load()
-    }
-  }
-}
-</script>
diff --git a/src/pages/demo/playground/db/util/index.vue b/src/pages/demo/playground/db/util/index.vue
new file mode 100644
index 00000000..e7338df5
--- /dev/null
+++ b/src/pages/demo/playground/db/util/index.vue
@@ -0,0 +1,116 @@
+<template>
+  <d2-container>
+    <template slot="header">header</template>
+    <el-alert
+      :title="alertTitle"
+      type="success"
+      :closable="false"
+      class="d2-mb"/>
+    <el-row :gutter="10">
+      <el-col :span="12">
+        <el-row :gutter="10">
+          <el-col :span="12">
+            <p class="d2-mt-0">dbName</p>
+            <el-input v-model="dbName" placeholder="dbName" disabled/>
+          </el-col>
+          <el-col :span="12">
+            <p class="d2-mt-0">path</p>
+            <el-input v-model="path" placeholder="path" disabled/>
+          </el-col>
+        </el-row>
+        <el-row :gutter="10">
+          <el-col :span="12">
+            <p>key</p>
+            <el-input v-model="key" placeholder="key"/>
+          </el-col>
+          <el-col :span="12">
+            <p>value</p>
+            <el-input v-model="value" placeholder="value"/>
+          </el-col>
+        </el-row>
+        <p>存储</p>
+        <el-button @click="handleSet" class="d2-mb-10">保存 {{key}} = "{{value}}"</el-button>
+        <br>
+        <el-button @click="handleSetByUser">保存 {{key}} = "{{value}}" 当前用户</el-button>
+        <p>取值</p>
+        <el-button @click="handleGet" class="d2-mb-10">取值 {{key}}</el-button>
+        <br>
+        <el-button @click="handleGetByUser">取值 {{key}} 当前用户</el-button>
+      </el-col>
+      <el-col :span="12">
+        <el-card shadow="never">
+          <template slot="header">db.get('{{dbName}}').value()</template>
+          <div style="height: 400px; overflow: auto;">
+            <d2-highlight :code="dbData"/>
+          </div>
+        </el-card>
+      </el-col>
+    </el-row>
+  </d2-container>
+</template>
+<script>
+import { mapMutations, mapActions } from 'vuex'
+import db from '@/libs/db.js'
+export default {
+  data () {
+    return {
+      dbName: 'db',
+      path: 'sandbox.demo-playground-db-util',
+      key: 'demo',
+      value: 'demo text',
+      dbData: ''
+    }
+  },
+  mounted () {
+    this.load()
+  },
+  computed: {
+    alertTitle () {
+      return `数据将会在 "${this.dbName}" 数据库下的 "${this.path}.${this.key}" 路径下更新，请在右侧数据中查看`
+    }
+  },
+  methods: {
+    ...mapMutations('d2admin/db', [
+      'set',
+      'setByUser'
+    ]),
+    ...mapActions('d2admin/db', [
+      'get',
+      'getByUser'
+    ]),
+    load () {
+      this.dbData = JSON.stringify(db.get(this.dbName).value(), null, 2)
+    },
+    handleSet () {
+      this.set({
+        dbName: this.dbName,
+        path: `${this.path}.${this.key}`,
+        value: this.value
+      })
+      this.load()
+    },
+    handleSetByUser () {
+      this.setByUser({
+        dbName: this.dbName,
+        path: `${this.path}.${this.key}`,
+        value: this.value
+      })
+      this.load()
+    },
+    async handleGet () {
+      const value = await this.get({
+        dbName: this.dbName,
+        path: `${this.path}.${this.key}`
+      })
+      this.$alert(`value: ${value}`, `${this.dbName}.${this.path}.${this.key}`)
+    },
+    async handleGetByUser () {
+      const value = await this.getByUser({
+        dbName: this.dbName,
+        path: `${this.path}.${this.key}`
+      })
+      this.$alert(`value: ${value}`, `${this.dbName}.${this.path}.${this.key}`)
+    }
+  }
+}
+</script>
diff --git a/src/router/routes.js.REMOVED.git-id b/src/router/routes.js.REMOVED.git-id
index 66314f5e..87fea966 100644
--- a/src/router/routes.js.REMOVED.git-id
+++ b/src/router/routes.js.REMOVED.git-id
@@ -1 +1 @@
-ca12a11b6d9d0552250eb2da1e7bac555902f68d
\ No newline at end of file
+16b7e123957b7e4ef7d5c6270616b8f00d2dd381
\ No newline at end of file
diff --git a/src/store/modules/d2admin/index.js.REMOVED.git-id b/src/store/modules/d2admin/index.js.REMOVED.git-id
index 3ce6d6d8..d2d9c661 100644
--- a/src/store/modules/d2admin/index.js.REMOVED.git-id
+++ b/src/store/modules/d2admin/index.js.REMOVED.git-id
@@ -1 +1 @@
-4fee0ebd82dca4d2b9cd0ff053df6807cfd880ac
\ No newline at end of file
+03c3404e1d1584485b9a7b73671b1dd1d17a0e14
\ No newline at end of file
diff --git a/src/store/modules/d2admin/modules/account.js b/src/store/modules/d2admin/modules/account.js
index 01dabc63..6f117dd5 100644
--- a/src/store/modules/d2admin/modules/account.js
+++ b/src/store/modules/d2admin/modules/account.js
@@ -34,17 +34,6 @@ export default {
           }, { root: true })
           // 用户登陆后从数据库加载一系列的设置
           commit('d2admin/account/load', null, { root: true })
-          // 测试
-          // commit('d2admin/db/set', {
-          //   dbName: 'db',
-          //   path: 'log.login',
-          //   value: res.data.name
-          // }, { root: true })
-          commit('d2admin/db/push', {
-            dbName: 'db',
-            path: 'log.login',
-            value: res.data.name
-          }, { root: true })
           // 跳转路由
           vm.$router.push({
             name: 'index'
diff --git a/src/store/modules/d2admin/modules/db.js b/src/store/modules/d2admin/modules/db.js
index 9b3b2657..b7bff041 100644
--- a/src/store/modules/d2admin/modules/db.js
+++ b/src/store/modules/d2admin/modules/db.js
@@ -5,83 +5,50 @@ import util from '@/libs/util.js'
  * @description 检查路径是否存在 不存在的话初始化
  * @param {Object} param dbName {String} 数据库名称
  * @param {Object} param path {String} 路径
+ * @param {Object} param user {Boolean} 区分用户
  * @param {Object} param validator {Function} 数据校验钩子 返回 true 表示验证通过
  * @param {Object} param defaultValue {*} 初始化默认值
  */
 function pathInit ({
   dbName = 'db',
   path = '',
+  user = true,
   validator = () => true,
   defaultValue = ''
 }) {
   const sys = db.get(dbName)
-  const value = sys.get(path).value()
+  const uuid = util.cookies.get('uuid') || 'ghost-uuid'
+  const currentPath = `${user ? `user.${uuid}` : 'public'}.${path}`
+  const value = sys.get(currentPath).value()
   if (!(value && validator(value))) {
     sys
-      .set(path, defaultValue)
+      .set(currentPath, defaultValue)
       .write()
   }
-  return sys.get(path)
-}
-
-/**
- * @description 检查路径下是否有当前用户的档案
- * @param {Object} param dbName {String} 数据库名称
- * @param {Object} param path {String} 路径
- */
-function isRowExistByUser ({
-  dbName = 'sys',
-  path = ''
-}) {
-  const sys = db.get(dbName)
-  const row = sys
-    .get(path)
-    .find({
-      uuid: util.cookies.get('uuid')
-    })
-  // 返回可以操作的 row 或者布尔值 false
-  // 外部判断返回值的时候建议使用 if (!isRowExistByUser({}))
-  if (row.value()) {
-    return row
-  } else {
-    return false
-  }
+  return `${dbName}.${currentPath}`
 }
 
 export default {
   namespaced: true,
   mutations: {
     /**
-     * @description 将数据存储到指定位置 | 路径不存在会自动初始化 [不区分用户]
+     * @description 将数据存储到指定位置 | 路径不存在会自动初始化
      * @description 效果类似于 dbName.path = value
      * @param {Object} state vuex state
      * @param {Object} param dbName {String} 数据库名称
      * @param {Object} param path {String} 存储路径
      * @param {Object} param value {*} 需要存储的值
      */
-    set (state, { dbName = 'db', path = '', value = '' }) {
-      db
-        .get(dbName)
-        .set(path, value)
-        .write()
-    },
-    /**
-     * @description 将数据 push 到指定位置 | 路径不存在会自动初始化 [不区分用户]
-     * @description 效果类似于 dbName.path.push(value)
-     * @param {Object} state vuex state
-     * @param {Object} param dbName {String} 数据库名称
-     * @param {Object} param path {String} 存储路径
-     * @param {Object} param value {*} 需要存储的值
-     */
-    push (state, { dbName = 'db', path = '', value = '' }) {
-      pathInit({
+    set (state, {
+      dbName = 'db',
+      path = '',
+      value = ''
+    }) {
+      db.set(pathInit({
         dbName,
         path,
-        validator: value => Array.isArray(value),
-        defaultValue: []
-      })
-        .push(value)
-        .write()
+        user: false
+      }), value).write()
     },
     /**
      * @description 将数据存储到指定位置 | 路径不存在会自动初始化 [区分用户]
@@ -96,24 +63,35 @@ export default {
       path = '',
       value = ''
     }) {
-      // 得到路径在数据库中的对象 没有初始化会自动初始化
-      // ByUser 类型的默认值设置为数组
-      // 以后数组的每一项是一个用户的存档
-      const currentPath = pathInit({ dbName, path, defaultValue: [] })
-      // 得到当前用户在数据库此路径下的存档
-      const row = isRowExistByUser({ dbName, path })
-      // 合并 or 追加
-      if (!row) {
-        currentPath.push({
-          uuid: util.cookies.get('uuid'),
-          value
-        }).write()
-      } else {
-        row.assign({ value }).write()
-      }
+      db.set(pathInit({
+        dbName,
+        path
+      }), value).write()
     }
   },
   actions: {
+    /**
+     * @description 获取数据
+     * @description 效果类似于 dbName.path || defaultValue
+     * @param {Object} state vuex state
+     * @param {Object} param dbName {String} 数据库名称
+     * @param {Object} param path {String} 存储路径
+     * @param {Object} param defaultValue {*} 取值失败的默认值
+     */
+    get (context, {
+      dbName = 'db',
+      path = '',
+      defaultValue = ''
+    }) {
+      return new Promise((resolve, reject) => {
+        resolve(db.get(pathInit({
+          dbName,
+          path,
+          user: false,
+          defaultValue
+        })).value())
+      })
+    },
     /**
      * @description 获取数据 [区分用户]
      * @description 效果类似于 dbName.path[user] || defaultValue
@@ -128,10 +106,12 @@ export default {
       defaultValue = ''
     }) {
       return new Promise((resolve, reject) => {
-        // 得到当前用户在数据库此路径下的存档
-        const row = isRowExistByUser({ path })
-        // 返回存档或者默认值
-        resolve(!row ? defaultValue : row.value().value)
+        resolve(db.get(pathInit({
+          dbName,
+          path,
+          user: true,
+          defaultValue
+        })).value())
       })
     }
   }
diff --git a/src/store/modules/d2admin/modules/user.js b/src/store/modules/d2admin/modules/user.js
index 6a5d139e..36c72be3 100644
--- a/src/store/modules/d2admin/modules/user.js
+++ b/src/store/modules/d2admin/modules/user.js
@@ -31,7 +31,9 @@ export default {
       state.info = await this.dispatch('d2admin/db/getByUser', {
         dbName: 'sys',
         path: 'user.info',
-        defaultValue: '请重新登陆'
+        defaultValue: {
+          name: 'Ghost'
+        }
       })
     }
   }