diff --git a/coolq/api.go b/coolq/api.go
index fdfd6c4..f506725 100644
--- a/coolq/api.go
+++ b/coolq/api.go
@@ -137,6 +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
diff --git a/coolq/bot.go b/coolq/bot.go
index 62018ee..5e96967 100644
--- a/coolq/bot.go
+++ b/coolq/bot.go
@@ -131,6 +131,7 @@ 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 +228,9 @@ 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/go.mod b/go.mod
index b88b975..22ef6f6 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/Mrs4s/go-cqhttp
 go 1.14
 
 require (
-	github.com/Mrs4s/MiraiGo v0.0.0-20200821111822-80481f0022d5
+	github.com/Mrs4s/MiraiGo v0.0.0-20200821164244-fe8e98b9d8c5
 	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
diff --git a/go.sum b/go.sum
index 67b62f7..34d2711 100644
--- a/go.sum
+++ b/go.sum
@@ -2,6 +2,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 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/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=
diff --git a/server/http.go b/server/http.go
index 772d0a5..998730f 100644
--- a/server/http.go
+++ b/server/http.go
@@ -404,12 +404,12 @@ 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() {