diff --git a/cmd/main.go b/cmd/main.go
new file mode 100644
index 0000000..70dfb1f
--- /dev/null
+++ b/cmd/main.go
@@ -0,0 +1,5 @@
+package cmd
+
+func main() {
+
+}
diff --git a/importfunc/import_user_id_map.go b/importfunc/import_user_id_map.go
index 09421c5..b6edbf1 100644
--- a/importfunc/import_user_id_map.go
+++ b/importfunc/import_user_id_map.go
@@ -1,13 +1,9 @@
 package importfunc
 
 import (
-	"bufio"
 	"context"
 	"fmt"
-	"io"
-	"os"
-	"strconv"
-	"strings"
+	"math/rand"
 
 	"data_prep/dbstruct"
 	"data_prep/mongo"
@@ -22,56 +18,39 @@ func ImportUserIdMap() {
 	}
 	ctx := context.Background()
 
-	infilePath := "/app/dataprep/file/user_id_map.txt"
-
-	infile, err := os.Open(infilePath)
-	if err != nil {
-		fmt.Printf("Open File Err : %v", err)
-	}
-
-	defer infile.Close()
-
-	reader := bufio.NewReader(infile)
-
 	userIdMaps := make([]*dbstruct.UserIdMap, 0)
 
-	for {
-		str, err := reader.ReadString('\n')
-		if err == io.EOF {
-			break
-		}
-		if err != nil {
-			fmt.Printf("ReadString fail : %v", err)
-			return
-		}
+	// 打乱
+	list := make([]int64, 0)
+	for i := int64(1000000); i < 100000000; i++ {
+		list = append(list, i)
+	}
+	rand.Shuffle(99000000, func(i, j int) {
+		list[i], list[j] = list[j], list[i]
+	})
 
-		strs := strings.Split(str, ":")
-		seqStr := strs[0]
-		userIdStr := strs[1]
-		userIdStr = strings.ReplaceAll(userIdStr, "\n", "")
-		userIdStr = strings.ReplaceAll(userIdStr, "\r", "")
-
-		seq, err := strconv.Atoi(seqStr)
-		if err != nil {
-			fmt.Printf("atoi fail : %v", err)
-			return
-		}
-		userId, err := strconv.Atoi(userIdStr)
-		if err != nil {
-			fmt.Printf("atoi fail : %v", err)
-			return
-		}
+	for i := range list {
+		seq := int64(1000000) + int64(i)
+		userId := list[i]
 		userIdMaps = append(userIdMaps, &dbstruct.UserIdMap{
 			Seq:    int64(seq),
 			UserId: int64(userId),
 		})
 		if len(userIdMaps) == 10000 {
-			mcli.CreateMappedUserIds(ctx, userIdMaps)
+			err := mcli.CreateMappedUserIds(ctx, userIdMaps)
+			if err != nil {
+				fmt.Printf("CreateMappedUserIds err :%v", err)
+			}
 			userIdMaps = make([]*dbstruct.UserIdMap, 0)
 		}
 	}
 
 	if len(userIdMaps) > 0 {
-		mcli.CreateMappedUserIds(ctx, userIdMaps)
+		err := mcli.CreateMappedUserIds(ctx, userIdMaps)
+		if err != nil {
+			fmt.Printf("CreateMappedUserIds err :%v", err)
+		}
 	}
+
+	fmt.Printf("Import into test success")
 }