diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 43a6653cd..f1f067126 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,7 +10,7 @@ jobs:
   golangci:
     strategy:
       matrix:
-        go-version: [1.15.x,1.16.x]
+        go-version: [1.15.x,1.16.x,1.17.x]
     name: golangci-lint
     runs-on: ubuntu-latest
     steps:
@@ -38,7 +38,7 @@ jobs:
     # strategy set
     strategy:
       matrix:
-        go: ["1.14","1.15", "1.16", "1.17", "1.18"]
+        go: ["1.15", "1.16", "1.17", "1.18"]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/.golangci.yml b/.golangci.yml
index 933f6eae7..fafdac196 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -36,8 +36,13 @@ linters:
     - whitespace
 
 issues:
-  # Excluding configuration per-path, per-linter, per-text and per-source
+  include:
+    - EXC0002 # disable excluding of issues about comments from golint
   exclude-rules:
+    - linters:
+        - stylecheck
+      text: "ST1000:"
+  # Excluding configuration per-path, per-linter, per-text and per-source
     - path: _test\.go
       linters:
         - gomnd
@@ -52,10 +57,10 @@ linters-settings:
     lines: 66
     statements: 40
 
-issues:
-  include:
-  - EXC0002 # disable excluding of issues about comments from golint
-  exclude-rules:
-    - linters:
-       - stylecheck
-      text: "ST1000:"
+#issues:
+#  include:
+#  - EXC0002 # disable excluding of issues about comments from golint
+#  exclude-rules:
+#    - linters:
+#       - stylecheck
+#      text: "ST1000:"
diff --git a/README.md b/README.md
index 5ddbdd379..c3b3a4cba 100644
--- a/README.md
+++ b/README.md
@@ -25,35 +25,35 @@ import "github.com/silenceper/wechat/v2"
 以下是一个微信公众号处理消息接收以及回复的例子：
 
 ```go
-//使用memcache保存access_token，也可选择redis或自定义cache
+// 使用memcache保存access_token，也可选择redis或自定义cache
 wc := wechat.NewWechat()
 memory := cache.NewMemory()
 cfg := &offConfig.Config{
     AppID:     "xxx",
     AppSecret: "xxx",
     Token:     "xxx",
-    //EncodingAESKey: "xxxx",
+    // EncodingAESKey: "xxxx",
     Cache: memory,
 }
 officialAccount := wc.GetOfficialAccount(cfg)
 
 // 传入request和responseWriter
 server := officialAccount.GetServer(req, rw)
-//设置接收消息的处理方法
+// 设置接收消息的处理方法
 server.SetMessageHandler(func(msg *message.MixMessage) *message.Reply {
 
-    //回复消息：演示回复用户发送的消息
+    // 回复消息：演示回复用户发送的消息
     text := message.NewText(msg.Content)
     return &message.Reply{MsgType: message.MsgTypeText, MsgData: text}
 })
 
-//处理消息接收以及回复
+// 处理消息接收以及回复
 err := server.Serve()
 if err != nil {
     fmt.Println(err)
     return
 }
-//发送回复的消息
+// 发送回复的消息
 server.Send()
 
 ```
diff --git a/go.mod b/go.mod
index b22b780b6..91bbdecdb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,15 +1,15 @@
 module github.com/silenceper/wechat/v2
 
-go 1.14
+go 1.15
 
 require (
 	github.com/bradfitz/gomemcache v0.0.0-20220106215444-fb4bf637b56d
 	github.com/fatih/structs v1.1.0
-	github.com/go-redis/redis/v8 v8.11.6-0.20220405070650-99c79f7041fc
-	github.com/sirupsen/logrus v1.8.1
+	github.com/go-redis/redis/v8 v8.11.5
+	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cast v1.4.1
 	github.com/stretchr/testify v1.7.1
 	github.com/tidwall/gjson v1.14.1
-	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4
+	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d
 	gopkg.in/h2non/gock.v1 v1.1.2
 )
diff --git a/go.sum b/go.sum
index 41e1c5463..df307bb38 100644
--- a/go.sum
+++ b/go.sum
@@ -15,8 +15,8 @@ github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/go-redis/redis/v8 v8.11.6-0.20220405070650-99c79f7041fc h1:jZY+lpZB92nvBo2f31oPC/ivGll6NcsnEOORm8Fkr4M=
-github.com/go-redis/redis/v8 v8.11.6-0.20220405070650-99c79f7041fc/go.mod h1:25mL1NKxbJhB63ihiK8MnNeTRd+xAizd6bOdydrTLUQ=
+github.com/go-redis/redis/v8 v8.11.5 h1:AcZZR7igkdvfVmQTPnu9WE37LRrO/YrBH5zWyjDC0oI=
+github.com/go-redis/redis/v8 v8.11.5/go.mod h1:gREzHqY1hg6oD9ngVRbLStwAWKhA0FEgq8Jd4h5lpwo=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
@@ -48,22 +48,23 @@ github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108
 github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0=
 github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
 github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
-github.com/onsi/ginkgo/v2 v2.1.3 h1:e/3Cwtogj0HA+25nMP1jCMDIf8RtRYbGwGGuBIFztkc=
-github.com/onsi/ginkgo/v2 v2.1.3/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c=
+github.com/onsi/ginkgo/v2 v2.0.0 h1:CcuG/HvWNkkaqCUpJifQY8z7qEMBJya6aLPx6ftGyjQ=
+github.com/onsi/ginkgo/v2 v2.0.0/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
 github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
-github.com/onsi/gomega v1.19.0 h1:4ieX6qQjPP/BfC3mpsAtIGGlxTWPeA3Inl/7DtXw1tw=
-github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro=
+github.com/onsi/gomega v1.18.1 h1:M1GfJqGRrBrrGGsbxzV5dqM2U2ApXefZCQpkukxYRLE=
+github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5hitRs=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
-github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
+github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/spf13/cast v1.4.1 h1:s0hze+J0196ZfEMTs80N7UlFt0BDuQ7Q+JDnHiMWKdA=
 github.com/spf13/cast v1.4.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tidwall/gjson v1.14.1 h1:iymTbGkQBhveq21bEvAQ81I0LEBork8BFe1CUZXdyuo=
@@ -76,8 +77,8 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 h1:kUhD7nTDoI3fVd9G4ORWrbV5NY0liEs/Jg2pv5f+bBA=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
+golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -85,9 +86,8 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
+golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220225172249-27dd8689420f h1:oA4XRj0qtSt8Yo1Zms0CUlsT3KG69V2UGQWPBxujDmc=
-golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -96,7 +96,6 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -105,15 +104,14 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
diff --git a/miniprogram/config/config.go b/miniprogram/config/config.go
index c2d888e0c..f371883fe 100644
--- a/miniprogram/config/config.go
+++ b/miniprogram/config/config.go
@@ -8,6 +8,6 @@ import (
 // Config .config for 小程序
 type Config struct {
 	AppID     string `json:"app_id"`     // appid
-	AppSecret string `json:"app_secret"` // appsecret
+	AppSecret string `json:"app_secret"` // appSecret
 	Cache     cache.Cache
 }
diff --git a/pay/notify/refund.go b/pay/notify/refund.go
index f31d57b51..be550d531 100644
--- a/pay/notify/refund.go
+++ b/pay/notify/refund.go
@@ -48,7 +48,6 @@ type RefundedResp struct {
 
 // DecryptReqInfo 对退款结果进行解密
 func (notify *Notify) DecryptReqInfo(result *RefundedResult) (*RefundedReqInfo, error) {
-	var err error
 	if result == nil || result.ReqInfo == nil {
 		return nil, errors.New("empty refunded_result or req_info")
 	}
diff --git a/pay/order/pay.go b/pay/order/pay.go
index 1abd62876..5cf896a44 100644
--- a/pay/order/pay.go
+++ b/pay/order/pay.go
@@ -172,7 +172,7 @@ func (o *Order) BridgeConfig(p *Params) (cfg Config, err error) {
 // BridgeAppConfig get app bridge config
 func (o *Order) BridgeAppConfig(p *Params) (cfg ConfigForApp, err error) {
 	var (
-		timestamp = strconv.FormatInt(time.Now().Unix(), 10)
+		timestamp = strconv.FormatInt(util.GetCurrTS(), 10)
 		noncestr  = util.RandomStr(32)
 		_package  = "Sign=WXPay"
 	)
@@ -273,7 +273,7 @@ func (o *Order) PrePayOrder(p *Params) (payOrder PreOrder, err error) {
 	return
 }
 
-// PrePayID will request wechat merchant api and request for a pre payment order id
+// PrePayID will request wechat merchant api and request for a pre-payment order id
 func (o *Order) PrePayID(p *Params) (prePayID string, err error) {
 	order, err := o.PrePayOrder(p)
 	if err != nil {
diff --git a/pay/pay.go b/pay/pay.go
index 004ca5366..c1f42f6e3 100644
--- a/pay/pay.go
+++ b/pay/pay.go
@@ -23,12 +23,12 @@ func (pay *Pay) GetOrder() *order.Order {
 	return order.NewOrder(pay.cfg)
 }
 
-// GetNotify  通知
+// GetNotify 通知
 func (pay *Pay) GetNotify() *notify.Notify {
 	return notify.NewNotify(pay.cfg)
 }
 
-// GetRefund  退款
+// GetRefund 退款
 func (pay *Pay) GetRefund() *refund.Refund {
 	return refund.NewRefund(pay.cfg)
 }
diff --git a/pay/transfer/transfer_wallet.go b/pay/transfer/transfer_wallet.go
index 53a7b097f..73fe311f3 100644
--- a/pay/transfer/transfer_wallet.go
+++ b/pay/transfer/transfer_wallet.go
@@ -9,7 +9,7 @@ import (
 	"github.com/silenceper/wechat/v2/util"
 )
 
-// 付款到零钱
+// walletTransferGateway 付款到零钱
 // https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
 var walletTransferGateway = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers"
 
@@ -20,8 +20,7 @@ type Transfer struct {
 
 // NewTransfer return an instance of Transfer package
 func NewTransfer(cfg *config.Config) *Transfer {
-	transfer := Transfer{cfg}
-	return &transfer
+	return &Transfer{cfg}
 }
 
 // Params 调用参数
diff --git a/util/http.go b/util/http.go
index 40aefbc97..22cab34b1 100644
--- a/util/http.go
+++ b/util/http.go
@@ -111,11 +111,11 @@ func PostJSONWithRespContentType(uri string, obj interface{}) ([]byte, string, e
 }
 
 // PostFile 上传文件
-func PostFile(fieldname, filename, uri string) ([]byte, error) {
+func PostFile(fieldName, filename, uri string) ([]byte, error) {
 	fields := []MultipartFormField{
 		{
 			IsFile:    true,
-			Fieldname: fieldname,
+			Fieldname: fieldName,
 			Filename:  filename,
 		},
 	}
diff --git a/wechat.go b/wechat.go
index 4d095706c..fc98400ac 100644
--- a/wechat.go
+++ b/wechat.go
@@ -41,8 +41,8 @@ func NewWechat() *Wechat {
 }
 
 // SetCache 设置cache
-func (wc *Wechat) SetCache(cahce cache.Cache) {
-	wc.cache = cahce
+func (wc *Wechat) SetCache(cache cache.Cache) {
+	wc.cache = cache
 }
 
 // GetOfficialAccount 获取微信公众号实例
diff --git a/work/externalcontact/external_user.go b/work/externalcontact/external_user.go
index 80c8c8f56..dfe88df1f 100644
--- a/work/externalcontact/external_user.go
+++ b/work/externalcontact/external_user.go
@@ -27,7 +27,6 @@ type ExternalUserListResponse struct {
 // GetExternalUserList 获取客户列表
 // @see https://developer.work.weixin.qq.com/document/path/92113
 func (r *Client) GetExternalUserList(userID string) ([]string, error) {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return nil, err
@@ -98,7 +97,6 @@ type WechatChannel struct {
 
 // GetExternalUserDetail 获取外部联系人详情
 func (r *Client) GetExternalUserDetail(externalUserID string, nextCursor ...string) (*ExternalUser, error) {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return nil, err
@@ -130,7 +128,6 @@ type ExternalUserDetailListResponse struct {
 
 // BatchGetExternalUserDetails 批量获取外部联系人详情
 func (r *Client) BatchGetExternalUserDetails(request BatchGetExternalUserDetailsRequest) ([]ExternalUser, error) {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return nil, err
@@ -157,12 +154,11 @@ type UpdateUserRemarkRequest struct {
 	Description      string   `json:"description"`
 	RemarkCompany    string   `json:"remark_company"`
 	RemarkMobiles    []string `json:"remark_mobiles"`
-	RemarkPicMediaid string   `json:"remark_pic_mediaid"`
+	RemarkPicMediaID string   `json:"remark_pic_mediaid"`
 }
 
 // UpdateUserRemark 修改客户备注信息
 func (r *Client) UpdateUserRemark(request UpdateUserRemarkRequest) error {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return err
diff --git a/work/externalcontact/follow_user.go b/work/externalcontact/follow_user.go
index 64bbd2aa2..1cfc3616f 100644
--- a/work/externalcontact/follow_user.go
+++ b/work/externalcontact/follow_user.go
@@ -17,10 +17,9 @@ type followerUserResponse struct {
 	FollowUser []string `json:"follow_user"`
 }
 
-//GetFollowUserList 获取配置了客户联系功能的成员列表
-//@see https://developer.work.weixin.qq.com/document/path/92571
+// GetFollowUserList 获取配置了客户联系功能的成员列表
+// @see https://developer.work.weixin.qq.com/document/path/92571
 func (r *Client) GetFollowUserList() ([]string, error) {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return nil, err
diff --git a/work/externalcontact/tag.go b/work/externalcontact/tag.go
index 0974b07ec..497340ad1 100644
--- a/work/externalcontact/tag.go
+++ b/work/externalcontact/tag.go
@@ -54,7 +54,6 @@ type TagGroupTagItem struct {
 // GetCropTagList 获取企业标签库
 // @see https://developer.work.weixin.qq.com/document/path/92117
 func (r *Client) GetCropTagList(req GetCropTagRequest) ([]TagGroup, error) {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return nil, err
@@ -127,7 +126,6 @@ type EditCropTagRequest struct {
 // EditCropTag 修改企业客户标签
 // @see https://developer.work.weixin.qq.com/document/path/92117
 func (r *Client) EditCropTag(req EditCropTagRequest) error {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return err
@@ -151,7 +149,6 @@ type DeleteCropTagRequest struct {
 // DeleteCropTag 删除企业客户标签
 // @see https://developer.work.weixin.qq.com/document/path/92117
 func (r *Client) DeleteCropTag(req DeleteCropTagRequest) error {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return err
@@ -177,7 +174,6 @@ type MarkTagRequest struct {
 // MarkTag 为客户打上标签
 // @see https://developer.work.weixin.qq.com/document/path/92118
 func (r *Client) MarkTag(request MarkTagRequest) error {
-	var accessToken string
 	accessToken, err := r.GetAccessToken()
 	if err != nil {
 		return err
diff --git a/work/kf/account.go b/work/kf/account.go
index 3a0e53548..6153faa2e 100644
--- a/work/kf/account.go
+++ b/work/kf/account.go
@@ -38,12 +38,10 @@ func (r *Client) AccountAdd(options AccountAddOptions) (info AccountAddSchema, e
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(accountAddAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(accountAddAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -66,12 +64,10 @@ func (r *Client) AccountDel(options AccountDelOptions) (info util.CommonError, e
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(accountDelAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(accountDelAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -96,12 +92,10 @@ func (r *Client) AccountUpdate(options AccountUpdateOptions) (info util.CommonEr
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(accountUpdateAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(accountUpdateAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -132,12 +126,10 @@ func (r *Client) AccountList() (info AccountListSchema, err error) {
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.HTTPGet(fmt.Sprintf(accountListAddr, accessToken))
-	if err != nil {
+	if data, err = util.HTTPGet(fmt.Sprintf(accountListAddr, accessToken)); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -171,12 +163,10 @@ func (r *Client) AddContactWay(options AddContactWayOptions) (info AddContactWay
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(addContactWayAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(addContactWayAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/customer.go b/work/kf/customer.go
index 3420ee3bd..1ded143f9 100644
--- a/work/kf/customer.go
+++ b/work/kf/customer.go
@@ -38,12 +38,10 @@ func (r *Client) CustomerBatchGet(options CustomerBatchGetOptions) (info Custome
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(customerBatchGetAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(customerBatchGetAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/other.go b/work/kf/other.go
index 53cf32c3a..355f614c6 100644
--- a/work/kf/other.go
+++ b/work/kf/other.go
@@ -31,12 +31,10 @@ func (r *Client) GetCorpQualification() (info CorpQualificationSchema, err error
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.HTTPGet(fmt.Sprintf(corpQualification, accessToken))
-	if err != nil {
+	if data, err = util.HTTPGet(fmt.Sprintf(corpQualification, accessToken)); err != nil {
 		return info, err
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/sendmsg.go b/work/kf/sendmsg.go
index 9e8d0964e..6eda66111 100644
--- a/work/kf/sendmsg.go
+++ b/work/kf/sendmsg.go
@@ -31,12 +31,10 @@ func (r *Client) SendMsg(options interface{}) (info SendMsgSchema, err error) {
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(sendMsgAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(sendMsgAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/sendmsgonevent.go b/work/kf/sendmsgonevent.go
index 53d2e97fd..ea822936d 100644
--- a/work/kf/sendmsgonevent.go
+++ b/work/kf/sendmsgonevent.go
@@ -38,12 +38,10 @@ func (r *Client) SendMsgOnEvent(options interface{}) (info SendMsgOnEventSchema,
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(sendMsgOnEventAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(sendMsgOnEventAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/servicer.go b/work/kf/servicer.go
index 6cd4ccc71..5c34efc99 100644
--- a/work/kf/servicer.go
+++ b/work/kf/servicer.go
@@ -37,12 +37,10 @@ func (r *Client) ReceptionistAdd(options ReceptionistOptions) (info Receptionist
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(receptionistAddAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(receptionistAddAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/servicestate.go b/work/kf/servicestate.go
index d14599a96..ac20e467c 100644
--- a/work/kf/servicestate.go
+++ b/work/kf/servicestate.go
@@ -39,12 +39,10 @@ func (r *Client) ServiceStateGet(options ServiceStateGetOptions) (info ServiceSt
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(serviceStateGetAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(serviceStateGetAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -76,12 +74,10 @@ func (r *Client) ServiceStateTrans(options ServiceStateTransOptions) (info Servi
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(serviceStateTransAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(serviceStateTransAddr, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/kf/syncmsg.go b/work/kf/syncmsg.go
index 852702ef2..20d06f5d8 100644
--- a/work/kf/syncmsg.go
+++ b/work/kf/syncmsg.go
@@ -45,12 +45,10 @@ func (r *Client) SyncMsg(options SyncMsgOptions) (info SyncMsgSchema, err error)
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(syncMsgAddr, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(syncMsgAddr, accessToken), options); err != nil {
 		return
 	}
 	originInfo := syncMsgSchema{}
diff --git a/work/kf/upgrade.go b/work/kf/upgrade.go
index 6e12cdd21..73f2da603 100644
--- a/work/kf/upgrade.go
+++ b/work/kf/upgrade.go
@@ -34,12 +34,10 @@ func (r *Client) UpgradeServiceConfig() (info UpgradeServiceConfigSchema, err er
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.HTTPGet(fmt.Sprintf(upgradeServiceConfigAddr, accessToken))
-	if err != nil {
+	if data, err = util.HTTPGet(fmt.Sprintf(upgradeServiceConfigAddr, accessToken)); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -72,12 +70,10 @@ func (r *Client) UpgradeService(options UpgradeServiceOptions) (info util.Common
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(upgradeService, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(upgradeService, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -106,12 +102,10 @@ func (r *Client) UpgradeMemberService(options UpgradeMemberServiceOptions) (info
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(upgradeService, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(upgradeService, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
@@ -169,12 +163,10 @@ func (r *Client) UpgradeServiceCancel(options UpgradeServiceCancelOptions) (info
 		accessToken string
 		data        []byte
 	)
-	accessToken, err = r.ctx.GetAccessToken()
-	if err != nil {
+	if accessToken, err = r.ctx.GetAccessToken(); err != nil {
 		return
 	}
-	data, err = util.PostJSON(fmt.Sprintf(upgradeServiceCancel, accessToken), options)
-	if err != nil {
+	if data, err = util.PostJSON(fmt.Sprintf(upgradeServiceCancel, accessToken), options); err != nil {
 		return
 	}
 	if err = json.Unmarshal(data, &info); err != nil {
diff --git a/work/oauth/oauth.go b/work/oauth/oauth.go
index 10e2bb024..06074b62e 100644
--- a/work/oauth/oauth.go
+++ b/work/oauth/oauth.go
@@ -33,23 +33,21 @@ func NewOauth(ctx *context.Context) *Oauth {
 // GetTargetURL 获取授权地址
 func (ctr *Oauth) GetTargetURL(callbackURL string) string {
 	// url encode
-	urlStr := url.QueryEscape(callbackURL)
 	return fmt.Sprintf(
 		oauthTargetURL,
 		ctr.CorpID,
-		urlStr,
+		url.QueryEscape(callbackURL),
 	)
 }
 
 // GetQrContentTargetURL 构造独立窗口登录二维码
 func (ctr *Oauth) GetQrContentTargetURL(callbackURL string) string {
 	// url encode
-	urlStr := url.QueryEscape(callbackURL)
 	return fmt.Sprintf(
 		oauthQrContentTargetURL,
 		ctr.CorpID,
 		ctr.AgentID,
-		urlStr,
+		url.QueryEscape(callbackURL),
 		util.RandomStr(16),
 	)
 }
@@ -68,15 +66,11 @@ type ResUserInfo struct {
 // UserFromCode 根据code获取用户信息
 func (ctr *Oauth) UserFromCode(code string) (result ResUserInfo, err error) {
 	var accessToken string
-	accessToken, err = ctr.GetAccessToken()
-	if err != nil {
+	if accessToken, err = ctr.GetAccessToken(); err != nil {
 		return
 	}
 	var response []byte
-	response, err = util.HTTPGet(
-		fmt.Sprintf(oauthUserInfoURL, accessToken, code),
-	)
-	if err != nil {
+	if response, err = util.HTTPGet(fmt.Sprintf(oauthUserInfoURL, accessToken, code)); err != nil {
 		return
 	}
 	err = json.Unmarshal(response, &result)