diff --git a/package.json b/package.json
index 92fdb3e..483f6fe 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,6 @@
     "core-js": "^3.4.4",
     "element-ui": "^2.4.5",
     "flyio": "^0.6.14",
-    "pouchdb-adapter-idb": "^7.1.1",
     "vue": "^2.6.10",
     "vue-class-component": "^7.0.2",
     "vue-property-decorator": "^8.3.0",
diff --git a/src/page/setting.vue b/src/page/setting.vue
index 7954f27..4e9af3a 100644
--- a/src/page/setting.vue
+++ b/src/page/setting.vue
@@ -34,16 +34,24 @@
 <script lang="ts">
 import Vue from 'vue'
 import { shell } from 'electron'
+import db from '@/plugins/tinydb/index'
 export default Vue.extend({
   methods: {
     linkOpen (e:string) {
       if (e) {
         shell.openExternal(e)
       }
+    },
+    test () {
+      // let id = db.get('post').push({ id: nanoid(), title: 'low' }).write().id
+      // let log = db.get('post').find().value()
+      // console.log(log, 'log id')
     }
   },
   created () {
-    console.log('papa')
+    this.test()
+    // let log = db.get('post').value()
+    // console.log(log, 'log')
   }
 })
 </script>
diff --git a/src/plugins/nedb/index.ts b/src/plugins/nedb/index.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/src/plugins/nedb/setting.ts b/src/plugins/nedb/setting.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/src/plugins/nedb/video.ts b/src/plugins/nedb/video.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/src/plugins/rxdb/index.ts b/src/plugins/rxdb/index.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/src/plugins/rxdb/schema.ts b/src/plugins/rxdb/schema.ts
deleted file mode 100644
index 8733cb8..0000000
--- a/src/plugins/rxdb/schema.ts
+++ /dev/null
@@ -1,41 +0,0 @@
-const videoSchema = {
-  version: 0,
-  type: 'object',
-  properties: {
-    name: {
-      type: 'string'
-    },
-    type: {
-      type: 'string'
-    },
-    time: {
-      type: 'string'
-    },
-    detail: {
-      type: 'string',
-      primary: true
-    },
-    urls: {
-      type: 'array'
-    },
-    index: {
-      type: 'number'
-    }
-  }
-}
-
-const settingSchema = {
-  version: 0,
-  type: 'object',
-  properties: {
-    theme: {
-      type: 'string',
-      default: 'light'
-    }
-  }
-}
-
-export {
-  videoSchema,
-  settingSchema
-}
diff --git a/src/plugins/tinydb/Table.ts b/src/plugins/tinydb/Table.ts
new file mode 100644
index 0000000..8ef6cf7
--- /dev/null
+++ b/src/plugins/tinydb/Table.ts
@@ -0,0 +1,133 @@
+export class Table {
+  name: string
+  db: IDBDatabase
+  constructor (name: string, db:IDBDatabase) {
+    this.name = name
+    this.db = db
+  }
+  // create transaction
+  transaction (mode = true) {
+    return this.db.transaction([this.name], mode === true ? 'readwrite' : 'readonly')
+  }
+  // open or conntect this table
+  request () {
+    return this.transaction().objectStore(this.name)
+  }
+  // get
+  select (selector: any) {
+    let index: string
+    let indexValue: any
+    for (let name in selector) {
+      index = name
+      indexValue = selector[name]
+    }
+    return new Promise((resolve, reject) => {
+      const selectRequest = this.request().index(index).getAll(indexValue)
+      selectRequest.onsuccess = (e:any) => {
+        resolve(e.target.result)
+      }
+      selectRequest.onerror = (e:any) => {
+        reject(e.target.result)
+      }
+    })
+  }
+  selectId (id:number) {
+    return new Promise((resolve, reject) => {
+      const selectRequest = this.request().get(id)
+      selectRequest.onsuccess = (e:any) => {
+        resolve(e.target.result)
+      }
+      selectRequest.onerror = (e:any) => {
+        reject(e.target.result)
+      }
+    })
+  }
+  selectAll () {
+    return new Promise((resolve, reject) => {
+      const selectRequest = this.request().getAll()
+      selectRequest.onsuccess = (e:any) => {
+        resolve(e.target.result)
+      }
+      selectRequest.onerror = (e:any) => {
+        reject(e.target.result)
+      }
+    })
+  }
+  // some
+  some (index: any, start:any, end:any) {
+    return new Promise((resolve, reject) => {
+      const temp:any = []
+      const cursor = this.request().index(index)
+      const range = IDBKeyRange.bound(start, end)
+      cursor.openCursor(range).onsuccess = (ev:any) => {
+        const res = ev.target.result
+        if (res) {
+          temp.push(res.value)
+          res.continue()
+        } else {
+          resolve(temp)
+        }
+      }
+      cursor.openCursor(range).onerror = (ev: any) => {
+        reject(ev)
+      }
+    })
+  }
+  // put
+  update (data: any) {
+    return new Promise((resolve, reject) => {
+      const updateRequest = this.request().put(data)
+      updateRequest.onsuccess = (e:any) => {
+        resolve(e)
+      }
+      updateRequest.onerror = (e:any) => {
+        reject(e)
+      }
+    })
+  }
+  // add
+  insert (data: any) {
+    return new Promise((resolve, reject) => {
+      const addRequest = this.request().add(data)
+      addRequest.onsuccess = (e:any) => {
+        resolve(e)
+      }
+      addRequest.onerror = (e:any) => {
+        reject(e)
+      }
+    })
+  }
+  // get -> delete
+  delete (selector: any) {
+    return new Promise((resolve, reject) => {
+      this.select(selector).then((res: any) => {
+        if (res.length) {
+          res.forEach((item: any, index: any, arr: any) => {
+            const request = this.request()
+            const keyPath = request.keyPath as string
+            const deleteRequest = request.delete(item[keyPath])
+            deleteRequest.onsuccess = (e: any) => {
+              if (index === arr.length - 1) {
+                resolve(e)
+              }
+            }
+            deleteRequest.onerror = (e: any) => {
+              reject(e)
+            }
+          })
+        }
+      })
+    })
+  }
+  clear () {
+    return new Promise((resolve, reject) => {
+      const deleteRequest = this.request().clear()
+      deleteRequest.onsuccess = (e: any) => {
+        resolve(e)
+      }
+      deleteRequest.onerror = (e: any) => {
+        reject(e)
+      }
+    })
+  }
+}
diff --git a/src/plugins/tinydb/index.ts b/src/plugins/tinydb/index.ts
new file mode 100644
index 0000000..b7ec246
--- /dev/null
+++ b/src/plugins/tinydb/index.ts
@@ -0,0 +1,5 @@
+import tiny from 'tinydb'
+
+const db = {}
+
+export default db
diff --git a/src/plugins/tinydb/types.ts b/src/plugins/tinydb/types.ts
new file mode 100644
index 0000000..f828e6c
--- /dev/null
+++ b/src/plugins/tinydb/types.ts
@@ -0,0 +1,34 @@
+export interface Database {
+  databaseName: string
+  tables: Array<DatabaseTable>
+  version?: number
+}
+
+export interface DatabaseTable {
+  name: string
+  keyPath: string
+  autoIncrement: boolean
+  indexs: Array<RuleIndex>
+}
+
+export interface RuleIndex {
+  index: string
+  relativeIndex: string
+  unique: boolean
+}
+
+export interface TinyDBRule {
+  db: IDBDatabase
+  name: string
+  version: number
+  table: IDBObjectStore
+  tables: Array<DatabaseTable>
+  connect(): Promise<IDBDatabase>
+}
+
+export interface TableFn {
+  select(): any
+  update(): any
+  insert(): any
+  delete(): any
+}
diff --git a/yarn.lock b/yarn.lock
index 34c1b8f..241b999 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1626,11 +1626,6 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-argsarray@0.0.1:
-  version "0.0.1"
-  resolved "http://r.cnpmjs.org/argsarray/download/argsarray-0.0.1.tgz#6e7207b4ecdb39b0af88303fa5ae22bda8df61cb"
-  integrity sha1-bnIHtOzbObCviDA/pa4ivajfYcs=
-
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npm.taobao.org/arr-diff/download/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@@ -2118,11 +2113,6 @@ buffer-fill@^1.0.0:
   resolved "https://registry.npm.taobao.org/buffer-fill/download/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
   integrity sha1-+PeLdniYiO858gXNY39o5wISKyw=
 
-buffer-from@1.1.0:
-  version "1.1.0"
-  resolved "http://r.cnpmjs.org/buffer-from/download/buffer-from-1.1.0.tgz#87fcaa3a298358e0ade6e442cfce840740d1ad04"
-  integrity sha1-h/yqOimDWOCt5uRCz86EB0DRrQQ=
-
 buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.npm.taobao.org/buffer-from/download/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
@@ -2575,11 +2565,6 @@ cliui@^6.0.0:
     strip-ansi "^6.0.0"
     wrap-ansi "^6.2.0"
 
-clone-buffer@1.0.0:
-  version "1.0.0"
-  resolved "http://r.cnpmjs.org/clone-buffer/download/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
-  integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
-
 clone-deep@^4.0.1:
   version "4.0.1"
   resolved "https://registry.npm.taobao.org/clone-deep/download/clone-deep-4.0.1.tgz#c19fd9bdbbf85942b4fd979c84dcf7d5f07c2387"
@@ -5192,7 +5177,7 @@ ignore@^5.0.2:
   resolved "https://registry.npm.taobao.org/ignore/download/ignore-5.1.4.tgz#84b7b3dbe64552b6ef0eca99f6743dbec6d97adf"
   integrity sha1-hLez2+ZFUrbvDsqZ9nQ9vsbZet8=
 
-immediate@3.0.6, immediate@~3.0.5:
+immediate@~3.0.5:
   version "3.0.6"
   resolved "https://registry.npm.taobao.org/immediate/download/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"
   integrity sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=
@@ -7669,84 +7654,6 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-pouchdb-adapter-idb@^7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-adapter-idb/download/pouchdb-adapter-idb-7.1.1.tgz#1c62edc4a0f5713422daa488ddcdcc5bfe68d130"
-  integrity sha1-HGLtxKD1cTQi2qSI3c3MW/5o0TA=
-  dependencies:
-    pouchdb-adapter-utils "7.1.1"
-    pouchdb-binary-utils "7.1.1"
-    pouchdb-collections "7.1.1"
-    pouchdb-errors "7.1.1"
-    pouchdb-json "7.1.1"
-    pouchdb-merge "7.1.1"
-    pouchdb-utils "7.1.1"
-
-pouchdb-adapter-utils@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-adapter-utils/download/pouchdb-adapter-utils-7.1.1.tgz#565e63e06ed69cbdc36bac358b0eef6ebbf9eb31"
-  integrity sha1-Vl5j4G7WnL3Da6w1iw7vbrv56zE=
-  dependencies:
-    pouchdb-binary-utils "7.1.1"
-    pouchdb-collections "7.1.1"
-    pouchdb-errors "7.1.1"
-    pouchdb-md5 "7.1.1"
-    pouchdb-merge "7.1.1"
-    pouchdb-utils "7.1.1"
-
-pouchdb-binary-utils@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-binary-utils/download/pouchdb-binary-utils-7.1.1.tgz#04f6c4d8385dbcead3e1023139a4d7586d2005df"
-  integrity sha1-BPbE2DhdvOrT4QIxOaTXWG0gBd8=
-  dependencies:
-    buffer-from "1.1.0"
-
-pouchdb-collections@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-collections/download/pouchdb-collections-7.1.1.tgz#4f7704896e4055ba354241c0fd75bbb7446a809f"
-  integrity sha1-T3cEiW5AVbo1QkHA/XW7t0RqgJ8=
-
-pouchdb-errors@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-errors/download/pouchdb-errors-7.1.1.tgz#799603a46e3dfc9ec9403fe11610236a46354cf6"
-  integrity sha1-eZYDpG49/J7JQD/hFhAjakY1TPY=
-  dependencies:
-    inherits "2.0.3"
-
-pouchdb-json@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-json/download/pouchdb-json-7.1.1.tgz#e248b7ee7cc8c30b121184bb64b477a9c67d2378"
-  integrity sha1-4ki37nzIwwsSEYS7ZLR3qcZ9I3g=
-  dependencies:
-    vuvuzela "1.0.3"
-
-pouchdb-md5@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-md5/download/pouchdb-md5-7.1.1.tgz#560e868ba1c16df6be5b2e1924af9df5a91ac669"
-  integrity sha1-Vg6Gi6HBbfa+Wy4ZJK+d9akaxmk=
-  dependencies:
-    pouchdb-binary-utils "7.1.1"
-    spark-md5 "3.0.0"
-
-pouchdb-merge@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-merge/download/pouchdb-merge-7.1.1.tgz#d05cd9b71faf4103107bc1b2771c9f508fa4ae1c"
-  integrity sha1-0FzZtx+vQQMQe8GydxyfUI+krhw=
-
-pouchdb-utils@7.1.1:
-  version "7.1.1"
-  resolved "http://r.cnpmjs.org/pouchdb-utils/download/pouchdb-utils-7.1.1.tgz#a6999f73c89f31afc43a71819cc0a82d95eb29fb"
-  integrity sha1-ppmfc8ifMa/EOnGBnMCoLZXrKfs=
-  dependencies:
-    argsarray "0.0.1"
-    clone-buffer "1.0.0"
-    immediate "3.0.6"
-    inherits "2.0.3"
-    pouchdb-collections "7.1.1"
-    pouchdb-errors "7.1.1"
-    pouchdb-md5 "7.1.1"
-    uuid "3.2.1"
-
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npm.taobao.org/prelude-ls/download/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -8811,11 +8718,6 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   resolved "https://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha1-dHIq8y6WFOnCh6jQu95IteLxomM=
 
-spark-md5@3.0.0:
-  version "3.0.0"
-  resolved "http://r.cnpmjs.org/spark-md5/download/spark-md5-3.0.0.tgz#3722227c54e2faf24b1dc6d933cc144e6f71bfef"
-  integrity sha1-NyIifFTi+vJLHcbZM8wUTm9xv+8=
-
 spdx-correct@^3.0.0:
   version "3.1.0"
   resolved "https://registry.npm.taobao.org/spdx-correct/download/spdx-correct-3.1.0.tgz#fb83e504445268f154b074e218c87c003cd31df4"
@@ -9870,11 +9772,6 @@ utils-merge@1.0.1:
   resolved "https://registry.npm.taobao.org/utils-merge/download/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
   integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
 
-uuid@3.2.1:
-  version "3.2.1"
-  resolved "http://r.cnpmjs.org/uuid/download/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
-  integrity sha1-EsUou51Y0LkmXZovbw/ovhf/HxQ=
-
 uuid@^3.0.1, uuid@^3.3.2:
   version "3.3.3"
   resolved "https://registry.npm.taobao.org/uuid/download/uuid-3.3.3.tgz#4568f0216e78760ee1dbf3a4d2cf53e224112866"
@@ -10013,11 +9910,6 @@ vuex@^3.1.2:
   resolved "https://registry.npm.taobao.org/vuex/download/vuex-3.1.2.tgz#a2863f4005aa73f2587e55c3fadf3f01f69c7d4d"
   integrity sha1-ooY/QAWqc/JYflXD+t8/AfacfU0=
 
-vuvuzela@1.0.3:
-  version "1.0.3"
-  resolved "http://r.cnpmjs.org/vuvuzela/download/vuvuzela-1.0.3.tgz#3be145e58271c73ca55279dd851f12a682114b0b"
-  integrity sha1-O+FF5YJxxzylUnndhR8SpoIRSws=
-
 watchpack@^1.6.0:
   version "1.6.0"
   resolved "https://registry.npm.taobao.org/watchpack/download/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"