diff --git a/src/actions/RoleAction.lua b/src/actions/RoleAction.lua
index 790be03..326fbd1 100644
--- a/src/actions/RoleAction.lua
+++ b/src/actions/RoleAction.lua
@@ -288,7 +288,9 @@ function _M.loginRpc( agent, data )
 
 	-- 注册全服广播
 	if not role._channelIdx then
-		local channel = math.randomInt(1, 1)
+        local online = datacenter.get("onlineCount") or 0
+        local channel = math.floor(online / 500) + 1
+		--local channel = math.randomInt(1, 1)
 		role._channelIdx = channel
 	end
 	if not mcast_util.channel_world() then
diff --git a/src/services/agent_ctrl.lua b/src/services/agent_ctrl.lua
index 48c54af..e8f1019 100644
--- a/src/services/agent_ctrl.lua
+++ b/src/services/agent_ctrl.lua
@@ -141,10 +141,11 @@ function _M:check_agent_status()
 		end
 	end
 
+    datacenter.set("onlineCount", count)
 	if now >= next_log_time and now % 60 == 0 then
 		next_log_time = now + 60
 		local count = table_nums(self.u2f)
-		datacenter.set("onlineCount", count)
+		--datacenter.set("onlineCount", count)
 		logproxy:log({["@type"] = "online", count = count}, "log")
 	end
 end
diff --git a/src/services/watchdog.lua b/src/services/watchdog.lua
index 5c29637..62e4512 100644
--- a/src/services/watchdog.lua
+++ b/src/services/watchdog.lua
@@ -56,7 +56,7 @@ end
 
 -- 创建world以及union channel 用于广播
 function create_mutilcast()
-	for i = 1, 10 do
+	for i = 1, 50 do
 		local chan_w = mc:new()
 		datacenter.set("MC_W_CHANNEL" .. i, chan_w.channel)
 	end
--
libgit2 0.21.2