diff --git a/README.md b/README.md
index fc22992..dba5ac1 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 - [x] HTTP API
 - [x] 反向HTTP POST
 - [x] 正向Websocket
-- [x] 反向Websocket (测试中)
+- [x] 反向Websocket
 
 #### 拓展支持
 - [x] HTTP POST多点上报
@@ -18,7 +18,7 @@
 - [x] 修改群名
 - [x] 消息撤回事件
 - [x] 解析/发送 回复消息
-- [x] 解析合并转发
+- [x] 解析 合并转发
 
 #### 实现
 <details>
diff --git a/coolq/bot.go b/coolq/bot.go
index 1ab468b..70802fc 100644
--- a/coolq/bot.go
+++ b/coolq/bot.go
@@ -75,7 +75,7 @@ func (bot *CQBot) GetGroupMessage(mid int32) MSG {
 				return err
 			}
 			buff := new(bytes.Buffer)
-			buff.Write(e.Value)
+			buff.Write(binary.GZipUncompress(e.Value))
 			return gob.NewDecoder(buff).Decode(&m)
 		})
 		if err == nil {
@@ -140,7 +140,7 @@ func (bot *CQBot) InsertGroupMessage(m *message.GroupMessage) int32 {
 		if err := gob.NewEncoder(buf).Encode(val); err != nil {
 			return err
 		}
-		return tx.Put("group-messages", binary.ToBytes(id), buf.Bytes(), 0)
+		return tx.Put("group-messages", binary.ToBytes(id), binary.GZipCompress(buf.Bytes()), 0)
 	})
 	if err != nil {
 		log.Warnf("记录聊天数据时出现错误: %v", err)
diff --git a/server/http.go b/server/http.go
index aa39563..fa6f883 100644
--- a/server/http.go
+++ b/server/http.go
@@ -286,7 +286,7 @@ func (s *httpServer) SetGroupKick(c *gin.Context) {
 func (s *httpServer) SetGroupBan(c *gin.Context) {
 	gid, _ := strconv.ParseInt(getParam(c, "group_id"), 10, 64)
 	uid, _ := strconv.ParseInt(getParam(c, "user_id"), 10, 64)
-	i, _ := strconv.ParseInt(getParam(c, "duration"), 10, 64)
+	i, _ := strconv.ParseInt(getParamOrDefault(c, "duration", "1800"), 10, 64)
 	c.JSON(200, s.bot.CQSetGroupBan(gid, uid, uint32(i)))
 }
 
diff --git a/server/websocket.go b/server/websocket.go
index 45be051..f893bca 100644
--- a/server/websocket.go
+++ b/server/websocket.go
@@ -364,7 +364,12 @@ var wsApi = map[string]func(*coolq.CQBot, gjson.Result) coolq.MSG{
 		return bot.CQSetGroupKick(p.Get("group_id").Int(), p.Get("user_id").Int(), p.Get("message").Str)
 	},
 	"set_group_ban": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
-		return bot.CQSetGroupBan(p.Get("group_id").Int(), p.Get("user_id").Int(), uint32(p.Get("duration").Int()))
+		return bot.CQSetGroupBan(p.Get("group_id").Int(), p.Get("user_id").Int(), func() uint32 {
+			if p.Get("duration").Exists() {
+				return uint32(p.Get("duration").Int())
+			}
+			return 1800
+		}())
 	},
 	"set_group_whole_ban": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
 		return bot.CQSetGroupWholeBan(p.Get("group_id").Int(), func() bool {