调试修改MQTT通讯问题

src/database/Dao.cpp

@@ -644,6 +644,7 @@ Errcode DAO::insertStatStation(std::shared_ptr<DaoEntity> dao, Fields& fields)
 {
     // 根据主键（dt、station_id、category），写入或更新数据
     if (!dao) { dao = DaoEntity::create("stat_station"); }
+    else { dao->setTableName("stat_station"); }
     std::vector<std::string> vecKeys = {
         "storage_elect_in",
         "storage_elect_out",

src/database/DaoEntity.cpp

@@ -129,21 +129,18 @@ int DaoEntity::duplicateUpdate(Fields& fields, const vector<string>& keys)
     string val;
     for (auto& item : fields.map())
     {
-        if (!key.empty())
-        {
-            key += ","; val += ",";
-        }
+        if (!key.empty()) { key += ","; val += ","; }
         key += (item.first);
         val += ("'" + item.second + "'");
     }
     string str;
     for (auto& k : keys)
     {
-        if (!str.empty())
+        if (fields.contains(k))
         {
-            str += ",";
+            if (!str.empty()) { str += ","; }
+            str += (k + "='" + fields.value(k) + "'");
         }
-        str += (k + "='" + fields.value(k) + "'");
     }
     string sql = "INSERT INTO " + tableName + "(" + key + ") VALUES (" + val + ") ON duplicate KEY UPDATE " + str;
     return this->db->exec(sql);