diff --git a/History.md b/History.md
index 88495a7..5edb05b 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,8 @@
+2.2.1 / 2018-03-22
+==================
+  * 增加时区和BIGINT配置
+
+
 2.2.0 / 2018-03-15
 ==================
   * 连接池增加失败移除配置和恢复时间
diff --git a/index.js b/index.js
index fce04eb..0d4b414 100644
--- a/index.js
+++ b/index.js
@@ -36,13 +36,26 @@ class Mysqli {
     })
 
     config.forEach((item, i) => {
-      let { host, port, user, charset, passwd: password, db: database } = item
+      let {
+        host,
+        port,
+        user,
+        charset,
+        passwd: password,
+        db: database,
+        timezone,
+        supportBigNumbers
+      } = item
       let name = i < 1 ? 'MASTER' : 'SLAVE' + i
+      let collate
 
       charset = charset || 'utf8'
-      let collate =
+      collate =
         charset + (charset === 'utf8mb4' ? '_unicode_ci' : '_general_ci')
 
+      timezone = timezone || 'local'
+      supportBigNumbers = !!supportBigNumbers
+
       this.pool.add(name, {
         host,
         port,
diff --git a/package.json b/package.json
index 32216ca..b4a897d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mysqli",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "MySQL tool",
   "main": "index.js",
   "dependencies": {