diff --git a/code/application/source/sf_app/code/include/sf_file.h b/code/application/source/sf_app/code/include/sf_file.h
index 32a2dc9d9..1655ced1d 100755
--- a/code/application/source/sf_app/code/include/sf_file.h
+++ b/code/application/source/sf_app/code/include/sf_file.h
@@ -45,6 +45,7 @@ UINT8 sf_get_send_file_total(void);
 SINT32 sf_mem_upload_file_to_module(UINT32 MemPhotoAddr, UINT32 MemPhotosize);
 SINT32 sf_usr_mem_photo_ch(void);
 UINT8 sf_save_sd_log(void);
+void sf_log_error_code(char* buff);
 #ifdef __cplusplus
 #if __cplusplus
 }
diff --git a/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c b/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
index dbdd40aee..3acbd8a7a 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_eg91_sim.c
@@ -4532,6 +4532,8 @@ SINT32 sf_auto_net_reg(void)
 							SLOGE(gsmPara);
 							sprintf((char *)logStr, "AT+CGREG? Timeout,Error Code:0x%08X\n", ret);
 							SLOGE(logStr);
+                            SF_SPRINTF(logStr, "%x,", ret);
+                            sf_log_error_code(logStr);
 							goto SF_MODULE_END;
 						}
 					}
@@ -4699,6 +4701,8 @@ SINT32 sf_auto_net_reg(void)
 						SLOGE(gsmPara);
 						sprintf((char *)logStr, "Error Code:0x%08X\n", ret);
 						SLOGE(logStr);
+                        SF_SPRINTF(logStr, "%x,", ret);
+                        sf_log_error_code(logStr);
 						goto SF_MODULE_END;
 					}
 				}
@@ -4750,6 +4754,8 @@ SINT32 sf_auto_net_reg(void)
 							SLOGE(gsmPara);
 					        sprintf((char *)logStr, "Error Code:0x%08X\n", ret);
 							SLOGE(logStr);
+                            SF_SPRINTF(logStr, "%x,", ret);
+                            sf_log_error_code(logStr);
 							goto SF_MODULE_END;
 						}
 						else
@@ -4768,6 +4774,8 @@ SINT32 sf_auto_net_reg(void)
 						SLOGE(gsmPara);
 					    sprintf((char *)logStr, "Error Code:0x%08X\n", ret);
 						SLOGE(logStr);
+                        SF_SPRINTF(logStr, "%x,", ret);
+                        sf_log_error_code(logStr);
 						goto SF_MODULE_END;
 					}
 					else
diff --git a/code/application/source/sf_app/code/source/4gMng/sf_ftp.c b/code/application/source/sf_app/code/source/4gMng/sf_ftp.c
index e372ae237..e2b2a439f 100755
--- a/code/application/source/sf_app/code/source/4gMng/sf_ftp.c
+++ b/code/application/source/sf_app/code/source/4gMng/sf_ftp.c
@@ -970,6 +970,8 @@ SINT32 sf_pic_send_ftp(void)
                 //TIMEOUT
                 //pSifarPara->picSendTimeoutCount++;
                 printf("%s:%d err ftpFileName:%s filePath:%s picSendFailCount:%d sendThumbnailFailCount:%d\n", __FUNCTION__, __LINE__, ftpFileName[pic], filePath[pic],pSifarPara->picSendFailCount, pSifarPara->sendThumbnailFailCount);
+                SF_SPRINTF(logStr, "%x,", ret);
+                sf_log_error_code(logStr);
             }
             else {
                 if(!sf_get_mode_flag()){
@@ -1084,6 +1086,8 @@ SINT32 sf_video_send_ftp(void)
 		if(SF_SUCCESS != ret)
 		{
 			printf("%s:%d err ret: [0x%08X] ftpFileName:%s filePath:%s\n", __FUNCTION__, __LINE__, ret, ftpFileName, filePath);
+            SF_SPRINTF(logStr, "%x,", ret);
+            sf_log_error_code(logStr);
 		}
 	}
 
@@ -1130,6 +1134,8 @@ SINT32 sf_ftp_dailyreport_send(void)
 		if(SF_SUCCESS != ret)
 		{
 			printf("%s:%d err ret: [0x%08X] filePath:%s\n", __FUNCTION__, __LINE__, ret, filePath);
+            SF_SPRINTF(logStr, "%x,", ret);
+            sf_log_error_code(logStr);
 		}else {
 			DailyReportFtpSendSucess = 1;
             pSifarPara->picSendCount = 0;
@@ -1147,6 +1153,7 @@ SINT32 sf_ftp_dailyreport_send(void)
             pSifarPara->videoSendFailCount = 0;
             pSifarPara->videoSendSucessCount = 0;
             pSifarPara->SendlowPowerWarnCnt = 0;
+            sf_file_remove(SF_ERROR_CODE);
 		}
         sf_dailyReport_set();
 	}
@@ -1513,6 +1520,11 @@ SINT32 sf_camera_ota_ftp(void)
             }
             sf_set_fw_update(0);
         }
+        else
+        {
+            SF_SPRINTF(logStr, "%x,", ret);
+            sf_log_error_code(logStr);
+        }
     }
 
     MLOGD(" end ret:[0x%08X]\n", ret);
@@ -1645,6 +1657,8 @@ SINT32 sf_concentrated_ftp_send(void)
                         goto SF_CONCENTRATED_MODULE_REBOOT;
                     }
                     timeoutCnt++;
+                    SF_SPRINTF(logStr, "%x,", ret1);
+                    sf_log_error_code(logStr);
                     goto SF_CONCENTRATED_END;
                 }
                 else {
@@ -1825,6 +1839,8 @@ SINT32 sf_hd_ftp_send(void)
                         goto SF_HD_MODULE_REBOOT;
                     }
                     timeoutCnt++;
+                    SF_SPRINTF(logStr, "%x,", ret1);
+                    sf_log_error_code(logStr);
                     goto SF_HD_END;
                 }
                 else {
@@ -2056,6 +2072,8 @@ SINT32 sf_video_ftp_send(void)
                         goto SF_VIDEO_MODULE_REBOOT;
                     }
                     timeoutCnt++;
+                    SF_SPRINTF(logStr, "%x,", ret1);
+                    sf_log_error_code(logStr);
                     goto SF_VIDEO_END;
                 }
                 else {
@@ -2172,6 +2190,8 @@ SINT32 sf_log_send_ftp(void)
             if(SF_SUCCESS != ret)
             {
                 printf("%s:%d err ret: [0x%08X] filePath:%s\n", __FUNCTION__, __LINE__, ret, filePath);
+                SF_SPRINTF(logStr, "%x,", ret);
+                sf_log_error_code(logStr);
             }
         }
     }
@@ -2230,6 +2250,8 @@ SINT32 sf_low_power_warn_send_ftp(void)
     if(SF_SUCCESS != ret)
     {
         printf("%s:%d err ret: [0x%08X] filePath:%s\n", __FUNCTION__, __LINE__, ret, filePath);
+        SF_SPRINTF(logStr, "%x,", ret);
+        sf_log_error_code(logStr);
     }else {
         pSifarPara->SendlowPowerWarnCnt++;
     }
@@ -2285,6 +2307,8 @@ SINT32 sf_gps_send_ftp(void)
             if(SF_SUCCESS != ret)
             {
                 printf("%s:%d err ret: [0x%08X] filePath:%s\n", __FUNCTION__, __LINE__, ret, filePath);
+                SF_SPRINTF(logStr, "%x,", ret);
+                sf_log_error_code(logStr);
             }
             else {
                 //GPS send success,add gps send flag
@@ -3075,6 +3099,8 @@ SINT32 sf_card_log_send_ftp(void)
             if(SF_SUCCESS != ret)
             {
                 printf("%s:%d err ret: [0x%08X] filePath:%s\n", __FUNCTION__, __LINE__, ret, filePath);
+                SF_SPRINTF(logStr, "%x,", ret);
+                sf_log_error_code(logStr);
             }
             else {
 
diff --git a/code/application/source/sf_app/code/source/fileMng/sf_file.c b/code/application/source/sf_app/code/source/fileMng/sf_file.c
index 85e1c2710..1f6b8c702 100755
--- a/code/application/source/sf_app/code/source/fileMng/sf_file.c
+++ b/code/application/source/sf_app/code/source/fileMng/sf_file.c
@@ -1301,23 +1301,23 @@ UINT32 sf_create_dailyreport_file(void)
 
         if(sf_file_IsExsit(SF_ERROR_CODE) == SF_TRUE){
             size = sf_get_file_size((UINT8 *)SF_ERROR_CODE);
-        }
-        fd1 = open(SF_ERROR_CODE, O_APPEND | O_WRONLY, S_IRUSR | S_IWUSR);
-        if(fd1)
-        {
-            //size = sp5kFsFileSizeGet(fd1);
-            buf = malloc(size);
-
-            if (buf)
+            fd1 = open(SF_ERROR_CODE, O_RDONLY, S_IRUSR | S_IWUSR);
+            if(fd1)
             {
-                read(fd1, buf, size-1);
-                printf("error code size=%d\n",size);
-                write(fd, buf, size-1);
-                write(fd, (UINT8 *)"\r\n", SF_STRLEN("\r\n"));
-                free(buf);
-            }
+                //size = sp5kFsFileSizeGet(fd1);
+                buf = malloc(size);
 
-            close(fd1);
+                if (buf)
+                {
+                    read(fd1, buf, size-1);
+                    printf("error code size=%d\n",size);
+                    write(fd, buf, size-1);
+                    write(fd, (UINT8 *)"\r\n", SF_STRLEN("\r\n"));
+                    free(buf);
+                }
+
+                close(fd1);
+            }
         }
 
         szTmpsize=SF_STRLEN(cfgTmp);
@@ -1881,6 +1881,30 @@ UINT8 sf_save_sd_log(void)
     return ret;
 }
 
+/*************************************************
+  Function:    sf_log_error_code
+  Description: save error code
+  Input:  error code
+  Output: N/A
+  Return: N/A
+  Others: N/A
+*************************************************/
+void sf_log_error_code(char* buff)
+{
+    UINT32 fd = 0;
+
+    if(sf_in_card_exist())
+    {
+        fd = open(SF_ERROR_CODE, O_WRONLY | O_CREAT);
+        if(fd)
+        {
+            lseek(fd, 0, SEEK_END);
+            write(fd, buff, strlen(buff));
+            close(fd);
+            system("sync");
+        }
+    }
+}
 #ifdef __cplusplus
 #if __cplusplus
 }