further optimize compile

src/include/data.h

@@ -11,23 +11,24 @@ struct FullUserData {
   uint8_t privilege;
 };
 
+struct StationNameData {
+  char name[100][40];
+};
+static_assert(sizeof(StationNameData) == 4000);
+
 // waring: this struct is extremely large, later DiskManager should be optimized to handle this
 struct FullTrainData {
   char trainID[21];
   uint8_t stationNum;
-  // char stations[100][41];
   hash_t stations_hash[100];
   uint32_t seatNum : 18;
   uint16_t startTime : 12;
   uint16_t saleDate_beg : 10, saleDate_end : 10;
   uint8_t type : 6;
-  struct StationData {
-    uint32_t price : 18;
-    uint16_t travelTime : 15;
-    uint16_t stopoverTime : 15;
-  };
-  StationData stations[100];
+  uint16_t travelTime[100];
+  uint16_t stopoverTime[100];
 };
+struct TicketPriceData {};
 
 class TrainDataDrive : public DataDriverBase {};