diff --git a/src/agent.lua b/src/agent.lua
index 7a9b044..d611898 100644
--- a/src/agent.lua
+++ b/src/agent.lua
@@ -35,10 +35,17 @@ local function handle_timeout()
 	skynet.timeout(100, handle_timeout)
 end
 
+local function handle_gc()
+	if agentInfo.open_timer then return end
+    collectgarbage("collect")
+	skynet.timeout(6000, handle_gc)
+end
+
 function start_agent_timer()
 	if agentInfo.open_timer then return end
 	agentInfo.open_timer = true
 	skynet.timeout(150, handle_timeout)
+	skynet.timeout(6000, handle_gc)
 end
 
 function cancel_agent_timer()
diff --git a/src/csvdata b/src/csvdata
index a772615..e2c89ce 160000
--- a/src/csvdata
+++ b/src/csvdata
@@ -1 +1 @@
-Subproject commit a77261549372a508e132953dacc6398ba793dcc1
+Subproject commit e2c89ce97a826a716af84cb15d2976d3f19dcd1c
--
libgit2 0.21.2