diff --git a/.zd.conf b/.zd.conf
index d370d2cc43f8c05b08871def91c763e6e50104be..c6f0b2827f9c0ee762c66279f0fddf61c18cb102 100644
--- a/.zd.conf
+++ b/.zd.conf
@@ -1,3 +1,3 @@
-Version  = 1.6
+Version = 1.6
 Language = zh
 
diff --git a/src/action/upgrade.go b/src/action/upgrade.go
index a4c3b848f1360261ef9d7c19b4febebb95c01da3..481fe79e60bc512c4dae937584aa6b2e6c6b0487 100644
--- a/src/action/upgrade.go
+++ b/src/action/upgrade.go
@@ -1,92 +1,12 @@
 package action
 
 import (
-	"database/sql"
-	"fmt"
 	"github.com/360EntSecGroup-Skylar/excelize/v2"
-	constant "github.com/easysoft/zendata/src/utils/const"
-	i118Utils "github.com/easysoft/zendata/src/utils/i118"
-	logUtils "github.com/easysoft/zendata/src/utils/log"
-	numbUtils "github.com/easysoft/zendata/src/utils/numb"
 	_ "github.com/mattn/go-sqlite3"
 	"hash/crc32"
 	"strconv"
 )
 
-func Upgrade() {
-	// TODO: update date from remote server
-
-	// read data from db
-	db, err := sql.Open(constant.SqliteDriver, constant.SqliteData)
-	defer db.Close()
-	if err != nil {
-		logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_connect_sqlite", constant.SqliteData, err.Error()))
-		return
-	}
-
-	sql := "SELECT id, name, state, zipCode, cityCode FROM city"
-	rows, err := db.Query(sql)
-	if err != nil {
-		logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_exec_query", sql, err.Error()))
-		return
-	}
-
-	sqls := make([]string, 0)
-
-	sheet := "city"
-	excel := excelize.NewFile()
-	excel.SetSheetName("Sheet1", sheet)
-	headerData := []interface{}{"seq", "name", "state", "zipCode", "cityCode", "crc"}
-	colNumb := AddExcelRow(excel, sheet, 1, headerData)
-
-	rowIndex := 1
-	for rows.Next() {
-		var seq string
-		var id int
-		var name string
-		var state string
-		var zipCode string
-		var cityCode string
-
-		err = rows.Scan(&id, &name, &state, &zipCode, &cityCode)
-		if err != nil {
-			logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_parse_row", err.Error()))
-			return
-		}
-
-		seq = numbUtils.NumToBHex(id)
-		fmt.Println(seq, name, state, zipCode, cityCode)
-
-		// gen update sql
-		sql := fmt.Sprintf("UPDATE city SET seq = '%s' where id = %d;", numbUtils.NumToBHex(id), id)
-		sqls = append(sqls, sql)
-
-		// gen excel row
-		rowIndex = rowIndex + 1
-		rowData := []interface{}{seq, name, state, zipCode, cityCode}
-		AddExcelRow(excel, sheet, rowIndex, rowData)
-	}
-
-	headerStyle, err := excel.NewStyle(constant.ExcelHeader)
-	excel.SetCellStyle(sheet, "A1", colNumb + "1", headerStyle)
-
-	borderStyle, err := excel.NewStyle(constant.ExcelBorder)
-	excel.SetCellStyle(sheet, "A1", colNumb + strconv.Itoa(rowIndex), borderStyle)
-
-	// update seq column
-	for _, sql := range sqls {
-		_, err := db.Exec(sql)
-		if err != nil {
-			logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_exec_query", sql, err.Error()))
-		}
-	}
-
-	err = excel.SaveAs("export.excel")
-	if err != nil {
-		logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_save_excel", err.Error()))
-	}
-}
-
 func AddExcelRow(excel *excelize.File, sheet string, rowIndex int, cols []interface{}) string {
 	start := byte('A')
 	var numb string
@@ -107,4 +27,4 @@ func AddExcelRow(excel *excelize.File, sheet string, rowIndex int, cols []interf
 	}
 
 	return numb
-}
\ No newline at end of file
+}
diff --git a/src/server/config/db.go b/src/server/config/db.go
index 08767b7a8493e4fc63110e8139d0969ceeeb4aa4..b720e3c7f66cbf345c9f4b2d323d29631f37a477 100644
--- a/src/server/config/db.go
+++ b/src/server/config/db.go
@@ -3,6 +3,9 @@ package serverConfig
 import (
 	"fmt"
 	"github.com/easysoft/zendata/src/model"
+	constant "github.com/easysoft/zendata/src/utils/const"
+	fileUtils "github.com/easysoft/zendata/src/utils/file"
+	logUtils "github.com/easysoft/zendata/src/utils/log"
 	"github.com/jinzhu/gorm"
 )
 
diff --git a/src/utils/config/config.go b/src/utils/config/config.go
index 86c07fef6d8287ff091e1576a8ac2d6e9fc85781..6108b06881dc69ec1f2880adcd2ce0614571bd55 100644
--- a/src/utils/config/config.go
+++ b/src/utils/config/config.go
@@ -25,8 +25,11 @@ func InitDB() (db *sql.DB, err error) {
 	db, err = sql.Open(constant.SqliteDriver, constant.SqliteData)
 	err = db.Ping() // This DOES open a connection if necessary. This makes sure the database is accessible
 	if err != nil {
-		logUtils.PrintErrMsg(
-			fmt.Sprintf("Error on opening db %s, error is %s", constant.SqliteData, err.Error()))
+		if vari.RunMode != constant.RunModeServer {
+			logUtils.PrintErrMsg(
+				fmt.Sprintf("Error on opening db %s, error is %s", constant.SqliteData, err.Error()))
+		}
+
 		return
 	}