diff --git a/LIN_Stack/bsp/SCI/lin_lld_sci.c b/LIN_Stack/bsp/SCI/lin_lld_sci.c
index d245109..3056c08 100644
--- a/LIN_Stack/bsp/SCI/lin_lld_sci.c
+++ b/LIN_Stack/bsp/SCI/lin_lld_sci.c
@@ -1598,9 +1598,10 @@ void lin_lld_sci_isr ()
                         /* trigger callback */
                         CALLBACK_HANDLER((l_ifc_handle)ifc, LIN_LLD_CHECKSUM_ERR, current_id);
                         lin_goto_idle_state();
-                        
+                        lin_pFrameBuf[7] |= 0x80;
                     }
-                    lin_pFrameBuf[6] = l_status.byte;
+                    //lin_pFrameBuf[5] = tmp_byte;
+                    //lin_pFrameBuf[6] = l_status.byte;
                 }
                 cnt_byte++;
                 break;
@@ -1619,6 +1620,20 @@ void lin_lld_sci_isr ()
 						}
 						l_u8_wr_LI0_MFL_Zaehler(MFS_RollingCounter);
 					}
+
+                    if (cnt_byte==6)
+                    {
+                        if (lin_error_in_response == 1)
+                        {
+                            response_buffer[8] |= 0x80;
+                        }
+                        else
+                        {
+                            response_buffer[8] &= 0x7f;
+                        }
+                        response_buffer[9] = lin_checksum(response_buffer, lin_process_parity(current_id,MAKE_PARITY));
+                    }
+                    
 				}  
             
                 if (0 == (sci_flag_sr1&SCISR1_TC_MASK ))
@@ -1662,6 +1677,8 @@ void lin_lld_sci_isr ()
                 /* Trigger callback */
                 CALLBACK_HANDLER((l_ifc_handle)ifc, LIN_LLD_TX_COMPLETED, current_id);
                 lin_goto_idle_state();
+                lin_error_in_response = 0;
+                lin_pFrameBuf[7] &= 0x7f;
                 break;
             /******************************
             *** 4.8 SLAVE: Low power mode
diff --git a/LIN_Stack/coreapi/lin_common_proto.c b/LIN_Stack/coreapi/lin_common_proto.c
index f7ae8ed..3baf885 100644
--- a/LIN_Stack/coreapi/lin_common_proto.c
+++ b/LIN_Stack/coreapi/lin_common_proto.c
@@ -537,10 +537,11 @@ void lin_process_uncd_frame
     if (MAKE_UNCONDITIONAL_FRAME == type)
     {
         /* get data from lin frame buffer */
-        flag = lin_frame_updating_flag_tbl[frame_index];
+        flag = lin_frame_updating_flag_tbl[frame_index];//TODO:有溢出？
 
         for (i = 1; i < lin_lld_response_buffer[0]+1; i++, frame_byte_offset++)
         {
+            /*
             if(flag & (1<<(i-1)))
             {
                 lin_lld_response_buffer[i] = buffer_backup_data[i-1];
@@ -548,7 +549,8 @@ void lin_process_uncd_frame
             else
             {
                 lin_lld_response_buffer[i] = lin_pFrameBuf[frame_byte_offset];
-            }
+            }*/
+            lin_lld_response_buffer[i] = lin_pFrameBuf[frame_byte_offset];
         }
     }
     else
diff --git a/Sources/diagnostic/diagnostic_DID.c b/Sources/diagnostic/diagnostic_DID.c
index e16c87a..04e72c3 100644
--- a/Sources/diagnostic/diagnostic_DID.c
+++ b/Sources/diagnostic/diagnostic_DID.c
@@ -40,7 +40,7 @@ const TYPE_DIDSRVARR DID_CheckArr[DEF_DID_NUM]={
 };
 
 //const char DIDList_SWVersion[8]@0xff7000="SW0102";
-const char DIDList_SWVersion[4]="0308";
+const char DIDList_SWVersion[4]="0309";
 const char DIDList_HWVersion[3]="H04";
 const unsigned char DIDList_PartNumber[8]={0x11,0x22,0x33,0x44};
 const unsigned char DIDList_ManufacturingData[8]={0x20,0x20,0x07,0x22};
diff --git a/lin_cfg/lin_cfg.h b/lin_cfg/lin_cfg.h
index e728f51..85c81ff 100644
--- a/lin_cfg/lin_cfg.h
+++ b/lin_cfg/lin_cfg.h
@@ -86,7 +86,7 @@
 #define _TL_FRAME_SUPPORT_      _TL_MULTI_FRAME_
 
 /* frame buffer size */
-#define LIN_FRAME_BUF_SIZE			12
+#define LIN_FRAME_BUF_SIZE			30
 #define LIN_FLAG_BUF_SIZE			6
 
 /**********************************************************************/