diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e67cffa..888004f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,6 +17,8 @@ jobs:
             
     steps:
       - uses: actions/checkout@v2
+      - name: Set RELEASE_VERSION env
+        run: echo ::set-env name=RELEASE_VERSION::${GITHUB_REF:10}
       - uses: wangyoucao577/go-release-action@master
         env:
           CGO_ENABLED: 0
@@ -24,4 +26,5 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
           goarch: ${{ matrix.goarch }}
-          ldflags: "-w -s" 
+          ldflags: -w -s -X "github.com/Mrs4s/go-cqhttp/coolq.version=${{ env.RELEASE_VERSION }}"
+          
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..48b8bf9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+vendor/
diff --git a/coolq/api.go b/coolq/api.go
index d49313e..f506725 100644
--- a/coolq/api.go
+++ b/coolq/api.go
@@ -1,20 +1,23 @@
 package coolq
 
 import (
-	"github.com/Mrs4s/MiraiGo/binary"
-	"github.com/Mrs4s/MiraiGo/client"
-	"github.com/Mrs4s/MiraiGo/message"
-	"github.com/Mrs4s/go-cqhttp/global"
-	log "github.com/sirupsen/logrus"
-	"github.com/tidwall/gjson"
 	"io/ioutil"
 	"os"
 	"path"
 	"runtime"
 	"strconv"
 	"time"
+
+	"github.com/Mrs4s/MiraiGo/binary"
+	"github.com/Mrs4s/MiraiGo/client"
+	"github.com/Mrs4s/MiraiGo/message"
+	"github.com/Mrs4s/go-cqhttp/global"
+	log "github.com/sirupsen/logrus"
+	"github.com/tidwall/gjson"
 )
 
+var version = "unknown"
+
 // https://cqhttp.cc/docs/4.15/#/API?id=get_login_info-%E8%8E%B7%E5%8F%96%E7%99%BB%E5%BD%95%E5%8F%B7%E4%BF%A1%E6%81%AF
 func (bot *CQBot) CQGetLoginInfo() MSG {
 	return OK(MSG{"user_id": bot.Client.Uin, "nickname": bot.Client.Nickname})
@@ -134,6 +137,7 @@ func (bot *CQBot) CQSendGroupMessage(groupId int64, i interface{}, autoEscape bo
 		str = s
 	}
 	if str == "" {
+		log.Warnf("群消息发送失败: 信息为空. MSG: %v", i)
 		return Failed(100)
 	}
 	var elem []message.IMessageElement
@@ -342,7 +346,7 @@ func (bot *CQBot) CQProcessFriendRequest(flag string, approve bool) MSG {
 }
 
 // https://cqhttp.cc/docs/4.15/#/API?id=set_group_add_request-%E5%A4%84%E7%90%86%E5%8A%A0%E7%BE%A4%E8%AF%B7%E6%B1%82%EF%BC%8F%E9%82%80%E8%AF%B7
-func (bot *CQBot) CQProcessGroupRequest(flag, subType string, approve bool) MSG {
+func (bot *CQBot) CQProcessGroupRequest(flag, subType, reason string, approve bool) MSG {
 	if subType == "add" {
 		req, ok := bot.joinReqCache.Load(flag)
 		if !ok {
@@ -352,7 +356,7 @@ func (bot *CQBot) CQProcessGroupRequest(flag, subType string, approve bool) MSG
 		if approve {
 			req.(*client.UserJoinGroupRequest).Accept()
 		} else {
-			req.(*client.UserJoinGroupRequest).Reject()
+			req.(*client.UserJoinGroupRequest).Reject(false, reason)
 		}
 		return OK(nil)
 	}
@@ -362,7 +366,7 @@ func (bot *CQBot) CQProcessGroupRequest(flag, subType string, approve bool) MSG
 		if approve {
 			req.(*client.GroupInvitedRequest).Accept()
 		} else {
-			req.(*client.GroupInvitedRequest).Reject()
+			req.(*client.GroupInvitedRequest).Reject(false, reason)
 		}
 		return OK(nil)
 	}
@@ -485,7 +489,7 @@ func (bot *CQBot) CQHandleQuickOperation(context, operation gjson.Result) MSG {
 				bot.CQProcessFriendRequest(context.Get("flag").Str, operation.Get("approve").Bool())
 			}
 			if reqType == "group" {
-				bot.CQProcessGroupRequest(context.Get("flag").Str, context.Get("sub_type").Str, operation.Get("approve").Bool())
+				bot.CQProcessGroupRequest(context.Get("flag").Str, context.Get("sub_type").Str, context.Get("reason").Str, operation.Get("approve").Bool())
 			}
 		}
 	}
@@ -578,6 +582,7 @@ func (bot *CQBot) CQGetVersionInfo() MSG {
 		"plugin_build_configuration": "release",
 		"runtime_version":            runtime.Version(),
 		"runtime_os":                 runtime.GOOS,
+		"version":                    version,
 	})
 }
 
diff --git a/coolq/bot.go b/coolq/bot.go
index 62018ee..1e5121d 100644
--- a/coolq/bot.go
+++ b/coolq/bot.go
@@ -12,7 +12,6 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/xujiajun/nutsdb"
 	"hash/crc32"
-	"math/rand"
 	"path"
 	"sync"
 	"time"
@@ -108,7 +107,6 @@ func (bot *CQBot) SendGroupMessage(groupId int64, m *message.SendingMessage) int
 	var newElem []message.IMessageElement
 	for _, elem := range m.Elements {
 		if i, ok := elem.(*message.ImageElement); ok {
-			_, _ = bot.Client.UploadGroupImage(int64(rand.Intn(11451419)), i.Data)
 			gm, err := bot.Client.UploadGroupImage(groupId, i.Data)
 			if err != nil {
 				log.Warnf("警告: 群 %v 消息图片上传失败: %v", groupId, err)
@@ -131,6 +129,7 @@ func (bot *CQBot) SendGroupMessage(groupId int64, m *message.SendingMessage) int
 	m.Elements = newElem
 	ret := bot.Client.SendGroupMessage(groupId, m)
 	if ret == nil || ret.Id == -1 {
+		log.Warnf("群消息发送失败: 账号可能被风控.")
 		return -1
 	}
 	return bot.InsertGroupMessage(ret)
@@ -227,6 +226,9 @@ func formatGroupName(group *client.GroupInfo) string {
 }
 
 func formatMemberName(mem *client.GroupMemberInfo) string {
+	if mem == nil {
+		return "未知"
+	}
 	return fmt.Sprintf("%s(%d)", mem.DisplayName(), mem.Uin)
 }
 
diff --git a/global/config.go b/global/config.go
index 3a51bf8..e41f7c4 100644
--- a/global/config.go
+++ b/global/config.go
@@ -14,7 +14,6 @@ type JsonConfig struct {
 	AccessToken       string                        `json:"access_token"`
 	ReLogin           bool                          `json:"relogin"`
 	ReLoginDelay      int                           `json:"relogin_delay"`
-	AsyncLoad         bool                          `json:"async_load"`
 	HttpConfig        *GoCQHttpConfig               `json:"http_config"`
 	WSConfig          *GoCQWebsocketConfig          `json:"ws_config"`
 	ReverseServers    []*GoCQReverseWebsocketConfig `json:"ws_reverse_servers"`
diff --git a/go.mod b/go.mod
index 2f80a01..e8c0fed 100644
--- a/go.mod
+++ b/go.mod
@@ -3,18 +3,21 @@ module github.com/Mrs4s/go-cqhttp
 go 1.14
 
 require (
-	github.com/Mrs4s/MiraiGo v0.0.0-20200819185537-8d1e5fb04c17
+	github.com/Mrs4s/MiraiGo v0.0.0-20200821182324-7654a7a2a106
+	github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 // indirect
 	github.com/gin-gonic/gin v1.6.3
 	github.com/gorilla/websocket v1.4.2
 	github.com/guonaihong/gout v0.1.1
+	github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869 // indirect
+	github.com/jonboulle/clockwork v0.2.0 // indirect
 	github.com/lestrrat-go/file-rotatelogs v2.3.0+incompatible
 	github.com/lestrrat-go/strftime v1.0.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/sirupsen/logrus v1.6.0
 	github.com/t-tomalak/logrus-easy-formatter v0.0.0-20190827215021-c074f06c5816
+	github.com/tebeka/strftime v0.1.5 // indirect
 	github.com/tidwall/gjson v1.6.0
 	github.com/xujiajun/nutsdb v0.5.0
 	github.com/yinghau76/go-ascii-art v0.0.0-20190517192627-e7f465a30189
-	golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa
 	golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae // indirect
 )
diff --git a/go.sum b/go.sum
index 8fa8862..ebab85a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,20 +1,28 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Mrs4s/MiraiGo v0.0.0-20200819185537-8d1e5fb04c17 h1:sY4lwW34serGKnD26hP7ZLpnJ4NfVYKdS2SJIW1Mezs=
-github.com/Mrs4s/MiraiGo v0.0.0-20200819185537-8d1e5fb04c17/go.mod h1:0je03wji/tSw4bUH4QCF2Z4/EjyNWjSJTyy5tliX6EM=
+github.com/Mrs4s/MiraiGo v0.0.0-20200821111822-80481f0022d5 h1:50yz9Xgup7WgFAxeen/GQ0fCX3YUvv+ipGktZIznDuU=
+github.com/Mrs4s/MiraiGo v0.0.0-20200821111822-80481f0022d5/go.mod h1:0je03wji/tSw4bUH4QCF2Z4/EjyNWjSJTyy5tliX6EM=
+github.com/Mrs4s/MiraiGo v0.0.0-20200821164244-fe8e98b9d8c5 h1:LVzj3ahW0LYJQMDcDm+MRPevKEFg8+VJ9iOGjF4yNOo=
+github.com/Mrs4s/MiraiGo v0.0.0-20200821164244-fe8e98b9d8c5/go.mod h1:0je03wji/tSw4bUH4QCF2Z4/EjyNWjSJTyy5tliX6EM=
+github.com/Mrs4s/MiraiGo v0.0.0-20200821182324-7654a7a2a106 h1:z2oaXbvOmu7/O666OkUeH5SGUjyQ3wUSNjtTOagY8Sk=
+github.com/Mrs4s/MiraiGo v0.0.0-20200821182324-7654a7a2a106/go.mod h1:0je03wji/tSw4bUH4QCF2Z4/EjyNWjSJTyy5tliX6EM=
 github.com/bwmarrin/snowflake v0.3.0 h1:xm67bEhkKh6ij1790JB83OujPR5CzNe8QuQqAgISZN0=
 github.com/bwmarrin/snowflake v0.3.0/go.mod h1:NdZxfVWX+oR6y2K0o6qAYv6gIOP9rjG0/E9WsDpxqwE=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 h1:Ghm4eQYC0nEPnSJdVkTrXpu9KtoVCSo1hg7mtI7G9KU=
+github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239/go.mod h1:Gdwt2ce0yfBxPvZrHkprdPPTTS3N5rwmLE8T22KBXlw=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmCsR2Do=
 github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
 github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
+github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM=
 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
@@ -41,14 +49,21 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/guonaihong/gout v0.1.1 h1:2i3eqQ1KUhTlj7AFeIHqVUFku5QwUhwE2wNgYTVpbxQ=
 github.com/guonaihong/gout v0.1.1/go.mod h1:vXvv5Kxr70eM5wrp4F0+t9lnLWmq+YPW2GByll2f/EA=
+github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869 h1:IPJ3dvxmJ4uczJe5YQdrYB16oTJlGSC/OyZDqUk9xX4=
+github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869/go.mod h1:cJ6Cj7dQo+O6GJNiMx+Pa94qKj+TG8ONdKHgMNIyyag=
+github.com/jonboulle/clockwork v0.2.0 h1:J2SLSdy7HgElq8ekSl2Mxh6vrRNFxqbXGenYH2I02Vs=
+github.com/jonboulle/clockwork v0.2.0/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3 h1:CE8S1cTafDpPvMhIxNJKvHsGVBgn1xWYf1NbHQhywc8=
@@ -56,6 +71,7 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxv
 github.com/leodido/go-urn v1.1.0/go.mod h1:+cyI34gQWZcE1eQU7NVgKkkzdXDQHr1dBMtdAPozLkw=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
+github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc h1:RKf14vYWi2ttpEmkA4aQ3j4u9dStX2t4M8UM6qqNsG8=
 github.com/lestrrat-go/envload v0.0.0-20180220234015-a3eb8ddeffcc/go.mod h1:kopuH9ugFRkIXf3YoqHKyrJ9YfUFsckUU9S7B+XP+is=
 github.com/lestrrat-go/file-rotatelogs v2.3.0+incompatible h1:4mNlp+/SvALIPFpbXV3kxNJJno9iKFWGxSDE13Kl66Q=
 github.com/lestrrat-go/file-rotatelogs v2.3.0+incompatible/go.mod h1:ZQnN8lSECaebrkQytbHj4xNgtg8CR7RYXnPok8e0EHA=
@@ -64,13 +80,16 @@ github.com/lestrrat-go/strftime v1.0.1/go.mod h1:E1nN3pCbtMSu1yjSVeyuRFVm/U0xoR7
 github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+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/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
@@ -80,9 +99,12 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/t-tomalak/logrus-easy-formatter v0.0.0-20190827215021-c074f06c5816 h1:J6v8awz+me+xeb/cUTotKgceAYouhIB3pjzgRd6IlGk=
 github.com/t-tomalak/logrus-easy-formatter v0.0.0-20190827215021-c074f06c5816/go.mod h1:tzym/CEb5jnFI+Q0k4Qq3+LvRF4gO3E2pxS8fHP8jcA=
+github.com/tebeka/strftime v0.1.5 h1:1NQKN1NiQgkqd/2moD6ySP/5CoZQsKa1d3ZhJ44Jpmg=
+github.com/tebeka/strftime v0.1.5/go.mod h1:29/OidkoWHdEKZqzyDLUyC+LmgDgdHo4WAFCDT7D/Ig=
 github.com/tidwall/gjson v1.6.0 h1:9VEQWz6LLMUsUl6PueE49ir4Ka6CzLymOAZDxpFsTDc=
 github.com/tidwall/gjson v1.6.0/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls=
 github.com/tidwall/match v1.0.1 h1:PnKP62LPNxHKTwvHHZZzdOAOCtsJTjo6dZLCwpKm5xc=
@@ -132,6 +154,7 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -151,6 +174,7 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
diff --git a/main.go b/main.go
index bee7ab8..87b0cc8 100644
--- a/main.go
+++ b/main.go
@@ -136,6 +136,7 @@ func main() {
 	if conf.Debug {
 		log.SetLevel(log.DebugLevel)
 		log.Warnf("已开启Debug模式.")
+		log.Debugf("开发交流群: 192548878")
 	}
 	if !global.PathExists("device.json") {
 		log.Warn("虚拟设备信息不存在, 将自动生成随机设备.")
@@ -200,7 +201,7 @@ func main() {
 	global.Check(cli.ReloadFriendList())
 	log.Infof("共加载 %v 个好友.", len(cli.FriendList))
 	log.Infof("开始加载群列表...")
-	global.Check(cli.ReloadGroupList(conf.AsyncLoad))
+	global.Check(cli.ReloadGroupList())
 	log.Infof("共加载 %v 个群.", len(cli.GroupList))
 	b := coolq.NewQQBot(cli, conf)
 	if conf.PostMessageFormat != "string" && conf.PostMessageFormat != "array" {
diff --git a/server/http.go b/server/http.go
index 6a27bb0..fcf2935 100644
--- a/server/http.go
+++ b/server/http.go
@@ -4,6 +4,7 @@ import (
 	"crypto/hmac"
 	"crypto/sha1"
 	"encoding/hex"
+	"os"
 	"strconv"
 	"strings"
 	"time"
@@ -157,7 +158,13 @@ func (s *httpServer) Run(addr, authToken string, bot *coolq.CQBot) {
 
 	go func() {
 		log.Infof("CQ HTTP 服务器已启动: %v", addr)
-		log.Fatal(s.engine.Run(addr))
+		err := s.engine.Run(addr)
+		if err != nil {
+			log.Error(err)
+			log.Infof("请检查端口是否被占用.")
+			time.Sleep(time.Second * 5)
+			os.Exit(1)
+		}
 	}()
 }
 
@@ -304,7 +311,7 @@ func (s *httpServer) ProcessGroupRequest(c *gin.Context) {
 		subType = getParam(c, "type")
 	}
 	approve := getParamOrDefault(c, "approve", "true")
-	c.JSON(200, s.bot.CQProcessGroupRequest(flag, subType, approve == "true"))
+	c.JSON(200, s.bot.CQProcessGroupRequest(flag, subType, getParam(c, "reason"), approve == "true"))
 }
 
 func (s *httpServer) SetGroupCard(c *gin.Context) {
@@ -404,12 +411,12 @@ func getParamWithType(c *gin.Context, k string) (string, gjson.Type) {
 	}
 	if c.Request.Method == "POST" {
 		if h := c.Request.Header.Get("Content-Type"); h != "" {
-			if h == "application/x-www-form-urlencoded" {
+			if strings.Contains(h, "application/x-www-form-urlencoded") {
 				if p, ok := c.GetPostForm(k); ok {
 					return p, gjson.Null
 				}
 			}
-			if h == "application/json" {
+			if strings.Contains(h, "application/json") {
 				if obj, ok := c.Get("json_body"); ok {
 					res := obj.(gjson.Result).Get(k)
 					if res.Exists() {
diff --git a/server/websocket.go b/server/websocket.go
index 45a4f3c..7faea24 100644
--- a/server/websocket.go
+++ b/server/websocket.go
@@ -2,24 +2,25 @@ package server
 
 import (
 	"fmt"
-	"github.com/Mrs4s/go-cqhttp/coolq"
-	"github.com/Mrs4s/go-cqhttp/global"
-	"github.com/gorilla/websocket"
-	log "github.com/sirupsen/logrus"
-	"github.com/tidwall/gjson"
 	"net/http"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/Mrs4s/go-cqhttp/coolq"
+	"github.com/Mrs4s/go-cqhttp/global"
+	"github.com/gorilla/websocket"
+	log "github.com/sirupsen/logrus"
+	"github.com/tidwall/gjson"
 )
 
 type websocketServer struct {
-	bot       *coolq.CQBot
-	token     string
-	eventConn []*websocket.Conn
-	pushLock  *sync.Mutex
-	handshake string
+	bot            *coolq.CQBot
+	token          string
+	eventConn      []*websocketConn
+	eventConnMutex sync.Mutex
+	handshake      string
 }
 
 type websocketClient struct {
@@ -27,9 +28,13 @@ type websocketClient struct {
 	token string
 	bot   *coolq.CQBot
 
-	pushLock      *sync.Mutex
-	universalConn *websocket.Conn
-	eventConn     *websocket.Conn
+	universalConn *websocketConn
+	eventConn     *websocketConn
+}
+
+type websocketConn struct {
+	*websocket.Conn
+	sync.Mutex
 }
 
 var WebsocketServer = &websocketServer{}
@@ -41,7 +46,6 @@ var upgrader = websocket.Upgrader{
 
 func (s *websocketServer) Run(addr, authToken string, b *coolq.CQBot) {
 	s.token = authToken
-	s.pushLock = new(sync.Mutex)
 	s.bot = b
 	s.handshake = fmt.Sprintf(`{"_post_method":2,"meta_event_type":"lifecycle","post_type":"meta_event","self_id":%d,"sub_type":"connect","time":%d}`,
 		s.bot.Client.Uin, time.Now().Unix())
@@ -56,7 +60,7 @@ func (s *websocketServer) Run(addr, authToken string, b *coolq.CQBot) {
 }
 
 func NewWebsocketClient(conf *global.GoCQReverseWebsocketConfig, authToken string, b *coolq.CQBot) *websocketClient {
-	return &websocketClient{conf: conf, token: authToken, bot: b, pushLock: new(sync.Mutex)}
+	return &websocketClient{conf: conf, token: authToken, bot: b}
 }
 
 func (c *websocketClient) Run() {
@@ -96,7 +100,8 @@ func (c *websocketClient) connectApi() {
 		return
 	}
 	log.Infof("已连接到反向Websocket API服务器 %v", c.conf.ReverseApiUrl)
-	go c.listenApi(conn, false)
+	wrappedConn := &websocketConn{Conn: conn}
+	go c.listenApi(wrappedConn, false)
 }
 
 func (c *websocketClient) connectEvent() {
@@ -119,7 +124,7 @@ func (c *websocketClient) connectEvent() {
 		return
 	}
 	log.Infof("已连接到反向Websocket Event服务器 %v", c.conf.ReverseEventUrl)
-	c.eventConn = conn
+	c.eventConn = &websocketConn{Conn: conn}
 }
 
 func (c *websocketClient) connectUniversal() {
@@ -141,11 +146,12 @@ func (c *websocketClient) connectUniversal() {
 		}
 		return
 	}
-	go c.listenApi(conn, true)
-	c.universalConn = conn
+	wrappedConn := &websocketConn{Conn: conn}
+	go c.listenApi(wrappedConn, true)
+	c.universalConn = wrappedConn
 }
 
-func (c *websocketClient) listenApi(conn *websocket.Conn, u bool) {
+func (c *websocketClient) listenApi(conn *websocketConn, u bool) {
 	defer conn.Close()
 	for {
 		_, buf, err := conn.ReadMessage()
@@ -153,33 +159,24 @@ func (c *websocketClient) listenApi(conn *websocket.Conn, u bool) {
 			log.Warnf("监听反向WS API时出现错误: %v", err)
 			break
 		}
-		j := gjson.ParseBytes(buf)
-		t := strings.ReplaceAll(j.Get("action").Str, "_async", "")
-		log.Debugf("反向WS接收到API调用: %v 参数: %v", t, j.Get("params").Raw)
-		if f, ok := wsApi[t]; ok {
-			ret := f(c.bot, j.Get("params"))
-			if j.Get("echo").Exists() {
-				ret["echo"] = j.Get("echo").Value()
-			}
-			c.pushLock.Lock()
-			log.Debugf("准备发送API %v 处理结果: %v", t, ret.ToJson())
-			_ = conn.WriteJSON(ret)
-			c.pushLock.Unlock()
-		}
+
+		go conn.handleRequest(c.bot, buf)
+
 	}
 	if c.conf.ReverseReconnectInterval != 0 {
 		time.Sleep(time.Millisecond * time.Duration(c.conf.ReverseReconnectInterval))
 		if !u {
-			c.connectApi()
+			go c.connectApi()
 		}
 	}
 }
 
 func (c *websocketClient) onBotPushEvent(m coolq.MSG) {
-	c.pushLock.Lock()
-	defer c.pushLock.Unlock()
 	if c.eventConn != nil {
 		log.Debugf("向WS服务器 %v 推送Event: %v", c.eventConn.RemoteAddr().String(), m.ToJson())
+		c.eventConn.Lock()
+		defer c.eventConn.Unlock()
+		_ = c.eventConn.SetWriteDeadline(time.Now().Add(time.Second * 15))
 		if err := c.eventConn.WriteJSON(m); err != nil {
 			log.Warnf("向WS服务器 %v 推送Event时出现错误: %v", c.eventConn.RemoteAddr().String(), err)
 			_ = c.eventConn.Close()
@@ -193,6 +190,9 @@ func (c *websocketClient) onBotPushEvent(m coolq.MSG) {
 	}
 	if c.universalConn != nil {
 		log.Debugf("向WS服务器 %v 推送Event: %v", c.universalConn.RemoteAddr().String(), m.ToJson())
+		c.universalConn.Lock()
+		defer c.universalConn.Unlock()
+		_ = c.universalConn.SetWriteDeadline(time.Now().Add(time.Second * 15))
 		if err := c.universalConn.WriteJSON(m); err != nil {
 			log.Warnf("向WS服务器 %v 推送Event时出现错误: %v", c.universalConn.RemoteAddr().String(), err)
 			_ = c.universalConn.Close()
@@ -220,10 +220,19 @@ func (s *websocketServer) event(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	err = c.WriteMessage(websocket.TextMessage, []byte(s.handshake))
-	if err == nil {
-		log.Infof("接受 Websocket 连接: %v (/event)", r.RemoteAddr)
-		s.eventConn = append(s.eventConn, c)
+	if err != nil {
+		log.Warnf("Websocket 握手时出现错误: %v", err)
+		c.Close()
+		return
 	}
+
+	log.Infof("接受 Websocket 连接: %v (/event)", r.RemoteAddr)
+
+	conn := &websocketConn{Conn: c}
+
+	s.eventConnMutex.Lock()
+	s.eventConn = append(s.eventConn, conn)
+	s.eventConnMutex.Unlock()
 }
 
 func (s *websocketServer) api(w http.ResponseWriter, r *http.Request) {
@@ -240,7 +249,8 @@ func (s *websocketServer) api(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	log.Infof("接受 Websocket 连接: %v (/api)", r.RemoteAddr)
-	go s.listenApi(c)
+	conn := &websocketConn{Conn: c}
+	go s.listenApi(conn)
 }
 
 func (s *websocketServer) any(w http.ResponseWriter, r *http.Request) {
@@ -257,40 +267,57 @@ func (s *websocketServer) any(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	err = c.WriteMessage(websocket.TextMessage, []byte(s.handshake))
-	if err == nil {
-		log.Infof("接受 Websocket 连接: %v (/)", r.RemoteAddr)
-		s.eventConn = append(s.eventConn, c)
-		s.listenApi(c)
+	if err != nil {
+		log.Warnf("Websocket 握手时出现错误: %v", err)
+		c.Close()
+		return
 	}
+
+	log.Infof("接受 Websocket 连接: %v (/)", r.RemoteAddr)
+	conn := &websocketConn{Conn: c}
+	s.eventConn = append(s.eventConn, conn)
+	s.listenApi(conn)
 }
 
-func (s *websocketServer) listenApi(c *websocket.Conn) {
+func (s *websocketServer) listenApi(c *websocketConn) {
 	defer c.Close()
 	for {
 		t, payload, err := c.ReadMessage()
 		if err != nil {
 			break
 		}
+
 		if t == websocket.TextMessage {
-			j := gjson.ParseBytes(payload)
-			t := strings.ReplaceAll(j.Get("action").Str, "_async", "") //TODO: async support
-			log.Debugf("WS接收到API调用: %v 参数: %v", t, j.Get("params").Raw)
-			if f, ok := wsApi[t]; ok {
-				ret := f(s.bot, j.Get("params"))
-				if j.Get("echo").Exists() {
-					ret["echo"] = j.Get("echo").Value()
-				}
-				s.pushLock.Lock()
-				_ = c.WriteJSON(ret)
-				s.pushLock.Unlock()
-			}
+			go c.handleRequest(s.bot, payload)
 		}
 	}
 }
 
+func (c *websocketConn) handleRequest(bot *coolq.CQBot, payload []byte) {
+	defer func() {
+		if err := recover(); err != nil {
+			log.Printf("处置WS命令时发生无法恢复的异常：%v", err)
+			c.Close()
+		}
+	}()
+
+	j := gjson.ParseBytes(payload)
+	t := strings.ReplaceAll(j.Get("action").Str, "_async", "")
+	log.Debugf("WS接收到API调用: %v 参数: %v", t, j.Get("params").Raw)
+	if f, ok := wsApi[t]; ok {
+		ret := f(bot, j.Get("params"))
+		if j.Get("echo").Exists() {
+			ret["echo"] = j.Get("echo").Value()
+		}
+		c.Lock()
+		defer c.Unlock()
+		_ = c.WriteJSON(ret)
+	}
+}
+
 func (s *websocketServer) onBotPushEvent(m coolq.MSG) {
-	s.pushLock.Lock()
-	defer s.pushLock.Unlock()
+	s.eventConnMutex.Lock()
+	defer s.eventConnMutex.Unlock()
 	pos := 0
 	for _, conn := range s.eventConn {
 		log.Debugf("向WS客户端 %v 推送Event: %v", conn.RemoteAddr().String(), m.ToJson())
@@ -372,7 +399,7 @@ var wsApi = map[string]func(*coolq.CQBot, gjson.Result) coolq.MSG{
 		if p.Get("approve").Exists() {
 			apr = p.Get("approve").Bool()
 		}
-		return bot.CQProcessGroupRequest(p.Get("flag").Str, subType, apr)
+		return bot.CQProcessGroupRequest(p.Get("flag").Str, subType, p.Get("reason").Str, apr)
 	},
 	"set_group_card": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
 		return bot.CQSetGroupCard(p.Get("group_id").Int(), p.Get("user_id").Int(), p.Get("card").Str)