diff --git a/docs/cqhttp.md b/docs/cqhttp.md
index 5614553..38c212e 100644
--- a/docs/cqhttp.md
+++ b/docs/cqhttp.md
@@ -268,6 +268,28 @@ Type: `cardimage`
 | group_id | int64  | 群号 |
 | group_name     | string | 新名 |
 
+### 设置群头像
+
+终结点: `/set_group_portrait`  
+
+**参数** 
+
+| 字段     | 类型   | 说明 |
+| -------- | ------ | ---- |
+| group_id | int64  | 群号 |
+| file     | string | 图片文件名 |
+| cache |  int | 表示是否使用已缓存的文件 |
+
+[1]`file` 参数支持以下几种格式：
+
+- 绝对路径，例如 `file:///C:\\Users\Richard\Pictures\1.png`，格式使用 [`file` URI](https://tools.ietf.org/html/rfc8089)
+- 网络 URL，例如 `http://i1.piimg.com/567571/fdd6e7b6d93f1ef0.jpg`
+- Base64 编码，例如 `base64://iVBORw0KGgoAAAANSUhEUgAAABQAAAAVCAIAAADJt1n/AAAAKElEQVQ4EWPk5+RmIBcwkasRpG9UM4mhNxpgowFGMARGEwnBIEJVAAAdBgBNAZf+QAAAAABJRU5ErkJggg==`
+
+[2]`cache`参数: 通过网络 URL 发送时有效，`1`表示使用缓存，`0`关闭关闭缓存，默认 为`1`
+
+[3] 目前这个API在登录一段时间后因cookie失效而失效，请考虑后使用
+
 ### 获取图片信息
 
 终结点: `/get_image`  
diff --git a/global/fs.go b/global/fs.go
index 9aa164d..4939952 100644
--- a/global/fs.go
+++ b/global/fs.go
@@ -53,7 +53,7 @@ func IsAMRorSILK(b []byte) bool {
 }
 
 func FindFile(f, cache, PATH string) (data []byte, err error) {
-	data, err = nil, errors.New("can't find the file: "+f)
+	data, err = nil, errors.New("syntax error")
 	if strings.HasPrefix(f, "http") || strings.HasPrefix(f, "https") {
 		if cache == "" {
 			cache = "1"
@@ -74,7 +74,8 @@ func FindFile(f, cache, PATH string) (data []byte, err error) {
 			return nil, err
 		}
 	} else if strings.HasPrefix(f, "file") {
-		fu, err := url.Parse(f)
+		var fu *url.URL
+		fu, err = url.Parse(f)
 		if err != nil {
 			return nil, err
 		}
diff --git a/go.mod b/go.mod
index 0527bd8..c353b67 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 v0.0.0-20200928082341-65c1709f5eec
+	github.com/Mrs4s/MiraiGo v0.0.0-20200929101232-fbb53eba9b5a
 	github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 // indirect
 	github.com/gin-gonic/gin v1.6.3
 	github.com/go-playground/validator/v10 v10.3.0 // indirect
diff --git a/go.sum b/go.sum
index 122ba3e..7b78a60 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 v0.0.0-20200928082341-65c1709f5eec h1:lzFAr6b1yO6JIzfse0VIsPq71E0KfdsoS3VnyOLurS4=
 github.com/Mrs4s/MiraiGo v0.0.0-20200928082341-65c1709f5eec/go.mod h1:cwYPI2uq6nxNbx0nA6YuAKF1V5szSs6FPlGVLQvRUlo=
+github.com/Mrs4s/MiraiGo v0.0.0-20200929101232-fbb53eba9b5a h1:MaKFlcVI0aW7PFMrxpv2UBmvMGqKsiQP3O9j5wtVYYg=
+github.com/Mrs4s/MiraiGo v0.0.0-20200929101232-fbb53eba9b5a/go.mod h1:cwYPI2uq6nxNbx0nA6YuAKF1V5szSs6FPlGVLQvRUlo=
 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/main.go b/main.go
index 4e8d99b..72d44cd 100644
--- a/main.go
+++ b/main.go
@@ -303,10 +303,14 @@ func main() {
 			var times uint = 1
 			for {
 
-				if conf.ReLogin.MaxReloginTimes == 0 {
-				} else if times > conf.ReLogin.MaxReloginTimes {
+				if cli.Online {
+					log.Warn("Bot已登录")
+					return
+				}
+				if conf.ReLogin.MaxReloginTimes != 0 && times > conf.ReLogin.MaxReloginTimes {
 					break
 				}
+
 				log.Warnf("Bot已离线 (%v)，将在 %v 秒后尝试重连. 重连次数：%v",
 					e.Message, conf.ReLogin.ReLoginDelay, times)
 				times++