diff --git a/extend/lualog/lualog/lualog.cpp b/extend/lualog/lualog/lualog.cpp
index a3beb03e..e1074307 100644
--- a/extend/lualog/lualog/lualog.cpp
+++ b/extend/lualog/lualog/lualog.cpp
@@ -33,15 +33,20 @@ namespace logger {
         return "unsuppert data type";
     }
 
+    int zformat(lua_State* L, log_level lvl, vstring tag, vstring feature, vstring msg) {
+        get_logger()->output(lvl, msg, tag, feature);
+        if (lvl == log_level::LOG_LEVEL_FATAL) {
+            lua_pushlstring(L, msg.data(), msg.size());
+            return 1;
+        }
+        return 0;
+    }
+
     template<size_t... integers>
     int tformat(lua_State* L, log_level lvl, vstring tag, vstring feature, int flag, vstring vfmt, std::index_sequence<integers...>&&) {
         try {
             auto msg = fmt::format(vfmt, read_args(L, flag, integers + 6)...);
-            get_logger()->output(lvl, msg, tag, feature);
-            if (lvl == log_level::LOG_LEVEL_FATAL) {
-                lua_pushlstring(L, msg.c_str(), msg.size());
-                return 1;
-            }
+            return zformat(L, lvl, tag, feature, msg);
         } catch (const exception& e) {
             luaL_error(L, "log format failed: %s!", e.what());
         }
@@ -69,7 +74,7 @@ namespace logger {
             vstring vfmt = lua_to_native<vstring>(L, 5);
             int arg_num = lua_gettop(L) - 5;
             switch (arg_num) {
-            case 0: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<0>{});
+            case 0: return zformat(L, lvl, tag, feature, vfmt);
             case 1: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<1>{});
             case 2: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<2>{});
             case 3: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<3>{});
@@ -78,7 +83,7 @@ namespace logger {
             case 6: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<6>{});
             case 7: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<7>{});
             case 8: return tformat(L, lvl, tag, feature, flag, vfmt, make_index_sequence<8>{});
-            default: luaL_error(L, "test args is more than 8!"); break;
+            default: luaL_error(L, "log format args is more than 8!"); break;
             }
             return 0;
         });
diff --git a/script/sandbox.lua b/script/sandbox.lua
index c7d29975..89faa1d2 100644
--- a/script/sandbox.lua
+++ b/script/sandbox.lua
@@ -6,23 +6,24 @@ local loadfile      = loadfile
 local iopen         = io.open
 local mabs          = math.abs
 local ogetenv       = os.getenv
-local log_info      = log.info
-local log_err       = log.error
+local lprint        = log.print
 local sformat       = string.format
 local traceback     = debug.traceback
 local file_time     = stdfs.last_write_time
 
+local LOG_LEVEL     = log.LOG_LEVEL
+
 local FEATURE       = "devops"
 local TITLE         = quanta.title
 
 local load_status = "success"
 local log_error = function(content)
     load_status = "failed"
-    log_err(content, TITLE, FEATURE)
+    lprint(LOG_LEVEL.ERROR, 0, TITLE, FEATURE, content)
 end
 
 local log_output = function(content)
-    log_info(content, TITLE)
+    lprint(LOG_LEVEL.INFO, 0, TITLE, FEATURE, content)
 end
 
 local function ssplit(str, token)
@@ -112,9 +113,9 @@ function quanta.report(type)
     local divider = "----------------------------------------------------------------------------------------"
     local fmt = '{"type":"%s","pid":"%s","state":"%s","time":%s,"service":"%s"}'
     local str = sformat(fmt, type, quanta.pid, load_status, os.time(),  quanta.name)
-    log_info(divider, TITLE, FEATURE)
-    log_info(str, TITLE, FEATURE)
-    log_info(divider, TITLE, FEATURE)
+    log_output(divider)
+    log_output(str)
+    log_output(divider)
 end
 
 function quanta.reload()