diff --git a/coolq/api.go b/coolq/api.go
index 4be82b8..4ea617d 100644
--- a/coolq/api.go
+++ b/coolq/api.go
@@ -603,6 +603,30 @@ func (bot *CQBot) CQUploadGroupFile(groupID int64, file, name, folder string) gl
 	return OK(nil)
 }
 
+// CQUploadPrivateFile 扩展API-上传私聊文件
+//
+// @route(upload_private_file)
+func (bot *CQBot) CQUploadPrivateFile(userID int64, file, name string) global.MSG {
+	target := message.Source{
+		SourceType: message.SourcePrivate,
+		PrimaryID:  userID,
+	}
+	fileBody, err := os.Open(file)
+	if err != nil {
+		log.Warnf("上传私聊文件 %v 失败: %+v", file, err)
+		return Failed(100, "OPEN_FILE_ERROR", "打开文件失败")
+	}
+	localFile := &client.LocalFile{
+		FileName: name,
+		Body:     fileBody,
+	}
+	if err := bot.Client.UploadFile(target, localFile); err != nil {
+		log.Warnf("上传私聊 %v 文件 %v 失败: %+v", userID, file, err)
+		return Failed(100, "FILE_SYSTEM_UPLOAD_API_ERROR", err.Error())
+	}
+	return OK(nil)
+}
+
 // CQGroupFileCreateFolder 拓展API-创建群文件文件夹
 //
 // @route(create_group_file_folder)
diff --git a/go.mod b/go.mod
index bd31bcf..cd0ec42 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/Microsoft/go-winio v0.5.1
-	github.com/Mrs4s/MiraiGo v0.0.0-20220614093722-87ff2f95910c
+	github.com/Mrs4s/MiraiGo v0.0.0-20220620032456-d09215e943bb
 	github.com/RomiChan/syncx v0.0.0-20220404072119-d7ea0ae15a4c
 	github.com/RomiChan/websocket v1.4.3-0.20220123145318-307a86b127bc
 	github.com/fumiama/go-base16384 v1.5.2
diff --git a/go.sum b/go.sum
index 755c917..87b6e7a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/Microsoft/go-winio v0.5.1 h1:aPJp2QD7OOrhO5tQXqQoGSJc+DjDtWTGLOmNyAm6FgY=
 github.com/Microsoft/go-winio v0.5.1/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
-github.com/Mrs4s/MiraiGo v0.0.0-20220614093722-87ff2f95910c h1:LGJoAua1bYxx28255h02owv66v9eWkSwcZx/jEO79Z0=
-github.com/Mrs4s/MiraiGo v0.0.0-20220614093722-87ff2f95910c/go.mod h1:mZp8Lt7uqLCUwSLouB2yuiP467Cwl4mnG9IMAaXUKA0=
+github.com/Mrs4s/MiraiGo v0.0.0-20220620032456-d09215e943bb h1:UAfqKJ+xXbJObUQQAl1TYYwRcLBPYfy67D25lAD4Nl8=
+github.com/Mrs4s/MiraiGo v0.0.0-20220620032456-d09215e943bb/go.mod h1:mZp8Lt7uqLCUwSLouB2yuiP467Cwl4mnG9IMAaXUKA0=
 github.com/RomiChan/protobuf v0.1.1-0.20220602121309-9e3b8cbefd7a h1:WIfEWYj82oEuPtm5pqlyQmCJCoiw00C6ugZFqHA0cC8=
 github.com/RomiChan/protobuf v0.1.1-0.20220602121309-9e3b8cbefd7a/go.mod h1:2Ie+hdBFQpQFDHfeklgxoFmQRCE7O+KwFpISeXq7OwA=
 github.com/RomiChan/syncx v0.0.0-20220404072119-d7ea0ae15a4c h1:cNPOdTNiVwxLpROLjXCgbIPvdkE+BwvxDvgmdYmWx6Q=
diff --git a/modules/api/api.go b/modules/api/api.go
index 1137081..2f14cc6 100644
--- a/modules/api/api.go
+++ b/modules/api/api.go
@@ -362,6 +362,11 @@ func (c *Caller) call(action string, version uint16, p Getter) global.MSG {
 		p2 := p.Get("name").String()
 		p3 := p.Get("folder").String()
 		return c.bot.CQUploadGroupFile(p0, p1, p2, p3)
+	case "upload_private_file":
+		p0 := p.Get("user_id").Int()
+		p1 := p.Get("file").String()
+		p2 := p.Get("name").String()
+		return c.bot.CQUploadPrivateFile(p0, p1, p2)
 	}
 	return coolq.Failed(404, "API_NOT_FOUND", "API不存在")
 }