diff --git a/csv.go b/csv.go
index 4ac6631..4f7a2a4 100644
--- a/csv.go
+++ b/csv.go
@@ -10,11 +10,22 @@ import (
 	"strings"
 )
 
-func getCsvInfo(dir string) (dataMap []map[string]string, title []string) {
+func getCsvInfo(dir string) (dataMap []map[string]string, title []string, files []string) {
 	fp := fmt.Sprintf("%s/%s/", dir, "csvfile")
+	if _, err := os.Stat(fp); os.IsNotExist(err) {
+		// 文件夹不存在，创建它
+		err := os.Mkdir(fp, 0755) // 0755 是常见的目录权限
+		if err != nil {
+			fatal("无法创建目录 %s: %v", fp, err)
+		}
+	}
 	entries, err := os.ReadDir(fp)
 	if err != nil {
-		panic("当前目录下未找到csvfile文件夹，请自行创建")
+		fatal("获取文件目录失败 %s: %v", fp, err)
+	}
+	if len(entries) == 0 {
+		warning("请将需导入文件放入%s目录下", fp)
+		exit()
 	}
 	var csvFiles []string
 	for _, entry := range entries {
@@ -25,7 +36,7 @@ func getCsvInfo(dir string) (dataMap []map[string]string, title []string) {
 	for {
 		prompt := promptui.Select{
 			Label: "请选择需要导入的csv文件: ",
-			Items: csvFiles,
+			Items: append([]string{"全选", "导入非`已导入_`开头的文件"}, csvFiles...),
 			Size:  len(csvFiles),
 		}
 		_, f, err := prompt.Run()
@@ -33,10 +44,35 @@ func getCsvInfo(dir string) (dataMap []map[string]string, title []string) {
 			warning("Prompt failed %v\n", err)
 			continue
 		}
+
 		fp = fmt.Sprintf("%s/%s", fp, f)
+		switch fp {
+		case "全选":
+			files = csvFiles
+		case "导入非`已导入_`开头的文件":
+			for _, s := range csvFiles {
+				if !strings.HasPrefix(s, "已导入_") {
+					files = append(files, s)
+				}
+			}
+		default:
+			files = append(files, fp)
+		}
 		break
 	}
-	return ReadCsvData(fp)
+	if len(files) == 0 {
+		warning("未找到符合条件的文件")
+		finish(dir)
+	}
+
+	for _, v := range files {
+		data, fileTitle := ReadCsvData(v)
+		if title == nil {
+			title = fileTitle
+		}
+		dataMap = append(dataMap, data...)
+	}
+	return dataMap, title, files
 }
 
 func ReadCsvData(fp string) (dataMap []map[string]string, title []string) {
diff --git a/func.go b/func.go
index 90fba1d..6ec9ed2 100644
--- a/func.go
+++ b/func.go
@@ -90,7 +90,7 @@ func saveData(dataChan chan []map[string]string, set *Set, title []string, dir s
 				for _, item := range v {
 					var dataRaw strings.Builder
 					is_start := true
-					dataRaw.WriteString(fmt.Sprintf("SELECT %s From %s WHERE ", strings.Join(title, "`,`"), c.Table))
+					dataRaw.WriteString(fmt.Sprintf("SELECT %s From %s WHERE ", strings.Join(set.OverWriteJudColumns, "`,`"), c.Table))
 					for _, t := range set.OverWriteJudColumns {
 						if strings.Contains(item[t], "'") {
 							item[t] = strings.ReplaceAll(item[t], "'", "`")
@@ -99,10 +99,17 @@ func saveData(dataChan chan []map[string]string, set *Set, title []string, dir s
 							item[t] = strings.ReplaceAll(item[t], `"`, "`")
 						}
 						if !is_start {
-							dataRaw.WriteString(fmt.Sprintf("'%s',", item[t]))
+							dataRaw.WriteString(fmt.Sprintf("'%s'=%s", t, item[t]))
 						}
-						dataRaw.WriteString(fmt.Sprintf("'%s',", item[t]))
+						dataRaw.WriteString(fmt.Sprintf("AND '%s'=%s", item[t]))
 					}
+					raw := dataRaw.String()
+					result := db.Exec(raw)
+					if result.Error != nil {
+						warning(fmt.Sprintf(" 查询失败: %v", result.Error))
+						return
+					}
+
 				}
 			default:
 				query.WriteString(";")
diff --git a/main.go b/main.go
index 5a84566..fbe34bb 100644
--- a/main.go
+++ b/main.go
@@ -7,6 +7,7 @@ import (
 	"gorm.io/gorm"
 	"os"
 	"strings"
+	"time"
 )
 
 var (
@@ -54,10 +55,11 @@ func main() {
 
 }
 func do(dir string) {
-	csvData, title := getCsvInfo(dir)
+	csvData, title, files := getCsvInfo(dir)
 	set := setOp(title)
-	cutChannel := cutData(csvData, 100)
+	cutChannel := cutData(csvData, 1)
 	saveData(cutChannel, set, title, dir)
+	overFiles(files)
 	finish(dir)
 	select {}
 }
@@ -141,9 +143,29 @@ func cConf(fp string) *Conf {
 }
 
 func exit() {
-	os.Exit(1)
+	waitTime := 3
+	warning("程序即将再%d秒后退出", waitTime)
+	for {
+		if waitTime == 0 {
+			os.Exit(1)
+		}
+		time.Sleep(1 * time.Second)
+		warning("%d", waitTime)
+		waitTime--
+	}
+
 }
 
 func finish(dir string) {
 	do(dir)
 }
+
+func overFiles(files []string) {
+	for _, v := range files {
+		err := os.Rename(v, fmt.Sprintf("已导入_%s", v))
+		if err != nil {
+			warning("重命名文件时出错: %v\n", err)
+			exit()
+		}
+	}
+}