diff --git a/root/usr/lib/lua/luci/model/cbi/aria2.lua b/root/usr/lib/lua/luci/model/cbi/aria2.lua
index 9e9df9a..d36610b 100644
--- a/root/usr/lib/lua/luci/model/cbi/aria2.lua
+++ b/root/usr/lib/lua/luci/model/cbi/aria2.lua
@@ -135,7 +135,7 @@ o = s:taboption("task", Value, "max_concurrent_downloads", translate("Max concur
 o.placeholder = "5"
 
 o = s:taboption("task", Value, "max_connection_per_server", translate("Max connection per server"), "1-16")
-o.datetype = "range(1, 16)"
+o.datatype = "range(1, 16)"
 o.placeholder = "1"
 
 o = s:taboption("task", Value, "min_split_size", translate("Min split size"), "1M-1024M")
diff --git a/root/usr/lib/lua/luci/model/cbi/vsftpd.lua b/root/usr/lib/lua/luci/model/cbi/vsftpd.lua
index 47c6289..f8bbf1c 100644
--- a/root/usr/lib/lua/luci/model/cbi/vsftpd.lua
+++ b/root/usr/lib/lua/luci/model/cbi/vsftpd.lua
@@ -163,6 +163,7 @@ anon_max_rate.rmempty=true
 anon_max_rate:depends("anonymous_enable",1)
 chown_username=s:taboption("anonymous",ListValue,"chown_username",translate("Chown User"))
 chown_username:depends("anonymous_enable",1)
+local list_user
 for _, list_user in luci.util.vspairs(luci.util.split(luci.sys.exec("cat /etc/passwd | cut -f 1 -d:"))) do
     chown_username:value(list_user)
 end
@@ -174,8 +175,14 @@ local_userlist_type=s:taboption("userlist",ListValue,"userlist_type",translate("
 local_userlist_type:value("allow","allow")
 local_userlist_type:value("deny","deny")
 list=s:taboption("userlist",DynamicList,"userlist",translate("User"))
+list.datatype = "string"
 for _, list_user in luci.util.vspairs(luci.util.split(luci.sys.exec("cat /etc/passwd | cut -f 1 -d:"))) do
-    list:value(list_user)
+	repeat
+        if list_user == "" then
+            break
+        end
+        list:value(list_user)
+    until true
 end
 
 tmpl=s:taboption("template",Value,"_tmpl","",translate("Here,you can edit the template of config file"))