diff --git a/installer/conf/td-agent-bit.conf b/installer/conf/td-agent-bit.conf
index e7aabd242..ab79710c7 100644
--- a/installer/conf/td-agent-bit.conf
+++ b/installer/conf/td-agent-bit.conf
@@ -12,8 +12,6 @@
     DB.Sync Off
     Parser docker
     Mem_Buf_Limit 10m
-    Buffer_Chunk_Size 1m
-    Buffer_Max_Size 1m
     Rotate_Wait 20
     Refresh_Interval 30
     Path_Key filepath
diff --git a/source/code/plugin/out_mdm.rb b/source/code/plugin/out_mdm.rb
index a81da0fbc..69ef25580 100644
--- a/source/code/plugin/out_mdm.rb
+++ b/source/code/plugin/out_mdm.rb
@@ -69,7 +69,7 @@ def start
 
       aks_region = aks_region.gsub(" ","")
 
-      @@post_request_url = @@post_request_url_template % {aks_region: aks_region), aks_resource_id: aks_resource_id}
+      @@post_request_url = @@post_request_url_template % {aks_region: aks_region, aks_resource_id: aks_resource_id}
       @post_request_uri = URI.parse(@@post_request_url)
       @http_client = Net::HTTP.new(@post_request_uri.host, @post_request_uri.port)
       @http_client.use_ssl = true