简单修改数据类型

models/session.go

@@ -39,7 +39,7 @@ type SessionMessage struct {
 	SessionId   string
 	Receiver    string
 	Sender      string
-	Type        uint8
+	Type        int8
 	ContentType uint8
 	Content     string
 	IsRead      BitBool

server/client.go

@@ -65,8 +65,8 @@ func (c *Client) reader() {
 				SessionId:   chatingContent.Receiver,
 				Receiver:    chatingContent.Receiver,
 				Sender:      c.UserId,
-				Type:        uint8(message.Type),
-				ContentType: uint8(chatingContent.PayloadType),
+				Type:        message.Type,
+				ContentType: chatingContent.PayloadType,
 				Content:     string(payload),
 				IsRead:      false,
 			})