diff --git a/apps/sdlan/src/mnesia/client_model.erl b/apps/sdlan/src/mnesia/client_model.erl
index 08fc660..26738cf 100644
--- a/apps/sdlan/src/mnesia/client_model.erl
+++ b/apps/sdlan/src/mnesia/client_model.erl
@@ -66,7 +66,7 @@ disable_client(NetworkId, ClientId) when is_integer(NetworkId), is_binary(Client
             [] ->
                 ok;
             [Client] ->
-                mnesia:write(client, Client#client{status = disabled}, write)
+                mnesia:write(Tab, Client#client{status = disabled}, write)
         end
           end,
 
@@ -92,7 +92,7 @@ alloc_ip0(NetworkId, Ips, ClientId, Mac, NetAddr0) ->
 
     case mnesia:read(Tab, ClientId) of
         [Client=#client{ip = Ip, status = normal}] ->
-            ok = mnesia:write(client, Client#client{mac = Mac}, write),
+            ok = mnesia:write(Tab, Client#client{mac = Mac}, write),
             Ip;
         [#client{status = disabled}] ->
             mnesia:abort(client_disabled);
@@ -102,7 +102,7 @@ alloc_ip0(NetworkId, Ips, ClientId, Mac, NetAddr0) ->
                 true ->
                     %% 如果ip没有被占用，则分配給当前请求
                     Client = #client{client_id = ClientId, mac = Mac, ip = NetAddr0},
-                    ok = mnesia:write(client, Client, write),
+                    ok = mnesia:write(Tab, Client, write),
                     NetAddr0;
                 false ->
                     case Ips -- UsedIps of
@@ -110,7 +110,7 @@ alloc_ip0(NetworkId, Ips, ClientId, Mac, NetAddr0) ->
                             mnesia:abort(no_ip);
                         [Ip|_] ->
                             Client = #client{client_id = ClientId, mac = Mac, ip = Ip, status = normal},
-                            ok = mnesia:write(client, Client, write),
+                            ok = mnesia:write(Tab, Client, write),
                             Ip
                     end
             end