diff --git a/core/Publisher.cxx b/core/Publisher.cxx
index 6aba885..acf2b7c 100644
--- a/core/Publisher.cxx
+++ b/core/Publisher.cxx
@@ -333,12 +333,19 @@ bool PublisherApp::print_receipt(const std::map<std::string, std::string>& msg)
     return true;
 }
 
+#define WEIGH_IDLE      0
+#define WEIGH_LIC       1
+#define WEIGH_STABLE    2
+#define WEIGH_PRINT     3
+#define WEIGH_ERROR     4
+#define WEIGH_LEAVE     5
+
 void PublisherApp::run()
 {
-    uint8_t send_sum = 0;
-    uint8_t is_print = 0;
     std::string license_no = "";
     float stable_weight = 0;
+    int weigh_state = WEIGH_IDLE;
+    uint16_t weigh_timer = 0;
 
     while (!is_stopped())
     {
@@ -357,6 +364,7 @@ void PublisherApp::run()
                 if (license_no == "")
                 {
                     license_no = info.License();
+                    weigh_state = WEIGH_LIC;
                 }
             }
             else if (!DdsMsgData::ScaleInfo_queue_.empty())
@@ -378,19 +386,18 @@ void PublisherApp::run()
                 else
                 {
                     stable_weight = 0;
-                    send_sum = 0;
                 }
 
                 if (info.HasVehicle() == 0)
                 {
                     license_no = "";
-                    if (is_print == 1)
+                    if (weigh_state == WEIGH_LEAVE)
                     {
                         std::this_thread::sleep_for(std::chrono::seconds(5));
                         std::map<std::string, std::string> ctrl;
                         ctrl["FrontBar"] = "down";
                         bar_ctrl(ctrl);
-                        is_print = 0;
+                        weigh_state = WEIGH_IDLE;
                     }
                 }
             }
@@ -464,7 +471,7 @@ void PublisherApp::run()
 
                     print_receipt(print_msg);
 
-                    is_print = 1;
+                    weigh_state = WEIGH_LEAVE;
                     std::map<std::string, std::string> ctrl;
                     ctrl["FrontBar"] = "up";
                     bar_ctrl(ctrl);
@@ -477,7 +484,7 @@ void PublisherApp::run()
                 dds_lock.unlock();
 
                 std::this_thread::sleep_for(std::chrono::seconds(3));
-                send_sum = 0;
+                weigh_state = WEIGH_ERROR;
             }
             else
             {
@@ -486,17 +493,43 @@ void PublisherApp::run()
         }
 
         // logic
-        if (send_sum == 0)
+        switch (weigh_state)
         {
-            if ((stable_weight != 0) && (license_no != ""))
-            {
-                DEBUG("send summary");
-                WeighingSystem::SummaryUpdate info;
-                info.License() = license_no;
-                info.StableValue() = stable_weight;
-                summary_writer_->write(&info);
-                send_sum = 1;
-            }
+            case WEIGH_IDLE:
+                weigh_timer = 0;
+                break;
+            case WEIGH_LIC:
+                if (weigh_timer++ > 600)
+                {
+                    DEBUG("timer reach");
+                    DEBUG("license_no " << license_no);
+                    DEBUG("stable_weight " << stable_weight);
+                    weigh_state = WEIGH_STABLE;
+                    weigh_timer = 0;
+                }
+                break;
+            case WEIGH_STABLE:
+                if ((stable_weight != 0) && (license_no != ""))
+                {
+                    DEBUG("send summary");
+                    WeighingSystem::SummaryUpdate info;
+                    info.License() = license_no;
+                    info.StableValue() = stable_weight;
+                    summary_writer_->write(&info);
+                    weigh_state = WEIGH_PRINT;
+                }
+                break;
+            case WEIGH_PRINT:
+                break;
+            case WEIGH_ERROR:
+                std::this_thread::sleep_for(std::chrono::seconds(3));
+                weigh_state = WEIGH_STABLE;
+                break;
+            case WEIGH_LEAVE:
+                break;
+            default:
+                weigh_state = WEIGH_IDLE;
+                break;
         }
         
         // Wait for period or stop event