diff --git a/Inc/LinFlagchip.h b/Inc/LinFlagchip.h
index ef36712..bb11e87 100644
--- a/Inc/LinFlagchip.h
+++ b/Inc/LinFlagchip.h
@@ -47,7 +47,10 @@ void LIN_Initial(
         lin_get_interval_time_t LIN_TimerGetTimeIntervalValue,
         lin_callback_t LinCallbackHandler,
         lin_callback_ext_t LinExtCallbackHandler,
-        void *envCallExtBack
+        void *envCallExtBack,
+
+        const uint8_t *classicPID,
+        uint8_t numOfClassicPID
 );
 
 void GetLinCallbackHandler(tLinFlagchip *env, uint8_t u8LinIndex, void *state);
diff --git a/Src/LinFlagchip.c b/Src/LinFlagchip.c
index f77ecb5..8bf4c5b 100644
--- a/Src/LinFlagchip.c
+++ b/Src/LinFlagchip.c
@@ -15,6 +15,7 @@ static const PCC_ClkSrcType s_ePccUartTable[] =
                 PCC_CLK_FCUART6,
                 PCC_CLK_FCUART7
         };
+
 /*
 void GetLinCallbackHandler(tLinFlagchip *env, uint8_t u8LinIndex, void *state) {
     lin_xfer_state_t *pXferState = state;
@@ -120,7 +121,10 @@ void LIN_Initial(
         lin_get_interval_time_t LIN_TimerGetTimeIntervalValue,
         lin_callback_t LinCallbackHandler,
         lin_callback_ext_t LinExtCallbackHandler,
-        void *envCallExtBack
+        void *envCallExtBack,
+
+        const uint8_t *classicPID,
+        uint8_t numOfClassicPID
 ) {
 
     env->UART_INDEX = UART_INDEX;
@@ -136,6 +140,11 @@ void LIN_Initial(
     env->g_linMasterConfig.clockSrcFreq = PCC_GetPccFunctionClock(s_ePccUartTable[UART_INDEX]);
     env->g_linMasterConfig.getIntervalTimeValueCallback = LIN_TimerGetTimeIntervalValue;
 
+    env->g_linMasterConfig.numOfClassicPID = numOfClassicPID;
+    env->g_linMasterConfig.classicPID = classicPID;
+
+
+
 //    Switch TJA1021 device to normal mode
 //    GPIO_WritePins(PORT_E, PORT_PIN_24, PORT_GPIO_HIGH);
 
@@ -158,7 +167,7 @@ static uint8_t vLinRunCommand(tLinFlagchip *env, uint8_t command, uint32_t timeo
         lin_event_id_t id = state;
         return id;
     }
-        return LIN_TIMEOUT;
+    return LIN_TIMEOUT;
 }