diff --git a/src/lua/test/pb.lua b/src/lua/test/pb.lua
index 16a8f9c9..f766cc05 100644
--- a/src/lua/test/pb.lua
+++ b/src/lua/test/pb.lua
@@ -23,4 +23,13 @@ function Test1()
     PrintTable(test_tbl);
 end
 
-Test1()
\ No newline at end of file
+function Test2()
+    print("create a blank proto struct to lua table")
+    local test_tbl = Squick:GetProtoTable("rpc.PlayerData")
+    PrintTable(test_tbl)
+    print("Json encode:")
+    print(Json.encode(test_tbl))
+end
+
+--Test1()
+Test2()
diff --git a/src/proto/base.proto b/src/proto/base.proto
index 27d0b48d..2a567b59 100644
--- a/src/proto/base.proto
+++ b/src/proto/base.proto
@@ -26,6 +26,7 @@ enum ErrorCode {
     ErrCommonFaild = 1;
 }
 
+
 message PlayerData {
     string account = 1;
     string account_id = 2;
@@ -38,4 +39,4 @@ message PlayerData {
     int32 last_login_time = 9;
     int32 last_offline_time = 10;
     string platform = 11;
-}
\ No newline at end of file
+}
diff --git a/src/proto/db_table.proto b/src/proto/db_table.proto
new file mode 100644
index 00000000..e82fb594
--- /dev/null
+++ b/src/proto/db_table.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+package rpc;
+import "base.proto";
+
+message OnlineTable {
+    int64 uid = 1;
+}
+
+message PlayerTable {
+    int64 uid = 1;  // index
+    PlayerData data = 2;    
+}
diff --git a/src/proto/n_cklog.proto b/src/proto/n_cklog.proto
new file mode 100644
index 00000000..4cdcad19
--- /dev/null
+++ b/src/proto/n_cklog.proto
@@ -0,0 +1,9 @@
+syntax = "proto3";
+package rpc;
+import "base.proto";
+
+// CKLog
+message NCkLogPlayerLogin { // msg_id=52000;
+    int32 login_time = 1;
+}
+
diff --git a/src/proto/n_db_proxy.proto b/src/proto/n_db_proxy.proto
index fce469e6..16f1a61d 100644
--- a/src/proto/n_db_proxy.proto
+++ b/src/proto/n_db_proxy.proto
@@ -288,4 +288,4 @@ message NAckMysqlUpdate { // msg_id=30307;
     int32 code = 1;
     bytes msg = 2;
     int32 query_id = 3;
-}
\ No newline at end of file
+}
diff --git a/src/proto/n_db_table.proto b/src/proto/n_db_table.proto
deleted file mode 100644
index e5ea9854..00000000
--- a/src/proto/n_db_table.proto
+++ /dev/null
@@ -1,20 +0,0 @@
-// Desc: MongoDb table
-syntax = "proto3";
-package rpc;
-import "base.proto";
-
-message OnlineTable {
-    bool is_online = 1;
-    int32 node_player = 2;
-    int32 node_proxy = 3;
-    int32 node_world = 4;
-    int32 node_room = 5;
-    int32 node_game = 6;
-}
-
-message PlayerTable {
-    PlayerData data = 1;
-}
-
-message FriendTable {
-}
\ No newline at end of file
diff --git a/src/proto/readme.md b/src/proto/readme.md
index f965d183..bfa0667f 100644
--- a/src/proto/readme.md
+++ b/src/proto/readme.md
@@ -20,4 +20,6 @@
 
 45000 ~ 46000 : game_manager.proto
 
-50000 ~ 50200 : test.proto
\ No newline at end of file
+50000 ~ 50200 : test.proto
+
+52000 - 62000 : cklog.proto