diff --git a/tair/main_test.go b/tair/main_test.go
index a18a0b0..fe67a0f 100644
--- a/tair/main_test.go
+++ b/tair/main_test.go
@@ -61,7 +61,6 @@ func redisOptions() *redis.Options {
 		DialTimeout:  10 * time.Second,
 		ReadTimeout:  30 * time.Second,
 		WriteTimeout: 30 * time.Second,
-		Password:     "xxx",
 		MaxRetries:   -1,
 
 		PoolSize:           10,
diff --git a/tair/tairzset.go b/tair/tairzset.go
index d5dc1dd..9bebff0 100644
--- a/tair/tairzset.go
+++ b/tair/tairzset.go
@@ -3,7 +3,6 @@ package tair
 import (
 	"context"
 	"github.com/go-redis/redis/v8"
-	"strconv"
 	"strings"
 )
 
@@ -62,12 +61,14 @@ type ExZAddMember struct {
 	Member string
 }
 
-func joinScoresToString(scores ...float64) string {
+func joinScoresToString(scores ...string) string {
 	var builder strings.Builder
 	for _, score := range scores {
-		builder.WriteString(strconv.FormatFloat(score, 'E', -1, 64))
+		builder.WriteString(score)
+		builder.WriteString("#")
 	}
-	return builder.String()
+	strs := builder.String()
+	return strs[:len(strs)-1]
 }
 
 type ExZRangeArgs struct {
@@ -120,12 +121,12 @@ func (tc tairCmdable) exZAdd(ctx context.Context, key string, p *ExZAddArgs, mem
 	return cmd
 
 }
-func (tc tairCmdable) ExZAddManyScore(ctx context.Context, key string, member string, scores ...float64) *redis.IntCmd {
+func (tc tairCmdable) ExZAddManyScore(ctx context.Context, key string, member string, scores ...string) *redis.IntCmd {
 	args := make([]interface{}, 4)
 	args[0] = "exzadd"
 	args[1] = key
-	args[2] = member
-	args[3] = joinScoresToString(scores...)
+	args[2] = joinScoresToString(scores...)
+	args[3] = member
 	cmd := redis.NewIntCmd(ctx, args...)
 	_ = tc(ctx, cmd)
 	return cmd
@@ -162,7 +163,7 @@ func (tc tairCmdable) ExZIncrBy(ctx context.Context, key string, score string, m
 	return cmd
 }
 
-func (tc tairCmdable) ExZIncrByManyScore(ctx context.Context, key string, member string, score ...float64) *redis.StringSliceCmd {
+func (tc tairCmdable) ExZIncrByManyScore(ctx context.Context, key string, member string, score ...string) *redis.StringSliceCmd {
 	a := make([]interface{}, 4)
 	a[0] = "exzincryby"
 	a[1] = key
diff --git a/tair/tairzset_test.go b/tair/tairzset_test.go
index 8c369ef..6e9d42c 100644
--- a/tair/tairzset_test.go
+++ b/tair/tairzset_test.go
@@ -43,6 +43,24 @@ func (suite *TairZsetTestSuite) TestExZAdd() {
 	assert.Equal(suite.T(), res, int64(0))
 }
 
+func (suite *TairZsetTestSuite) TestExZAddManyScore() {
+	res, err := suite.tairClient.ExZAddManyScore(ctx, "k1", "a", "32", "21", "16").Result()
+	assert.NoError(suite.T(), err)
+	assert.Equal(suite.T(), res, int64(1))
+
+	res, err = suite.tairClient.ExZAddManyScore(ctx, "k1", "d", "14", "4", "16").Result()
+	assert.NoError(suite.T(), err)
+	assert.Equal(suite.T(), res, int64(1))
+
+	res, err = suite.tairClient.ExZAddManyScore(ctx, "k1", "c", "20", "7", "12").Result()
+	assert.NoError(suite.T(), err)
+	assert.Equal(suite.T(), res, int64(1))
+
+	res2, err := suite.tairClient.ExZRange(ctx, "k1", 0, -1).Result()
+	assert.NoError(suite.T(), err)
+	assert.Equal(suite.T(), res2, []string{"d", "c", "a"})
+}
+
 func (suite *TairZsetTestSuite) TestExZAddParams() {
 	res, err := suite.tairClient.ExZAddArgs(ctx, "foo", "1", "a", tair.ExZAddArgs{}.New().Xx()).Result()
 	assert.NoError(suite.T(), err)