diff --git a/backend/main.go b/backend/main.go
index c74f786..76a4938 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -18,6 +18,11 @@ func main() {
 	}
 	defer logger.Sync() //nolint:errcheck
 	zap.ReplaceGlobals(logger)
+	// redis
+	if err := utils.InitRedis(); err != nil {
+		logger.Fatal("redis init failed", zap.Error(err))
+		panic(err)
+	}
 
 	e := echo.New()
 	for _, middleware := range middlewares {
diff --git a/pkg/models/file.go b/pkg/models/file.go
index 10d5adc..2f5870c 100644
--- a/pkg/models/file.go
+++ b/pkg/models/file.go
@@ -1,6 +1,7 @@
 package models
 
 import (
+	"context"
 	"encoding/json"
 	"pkg/utils"
 	"time"
@@ -32,7 +33,8 @@ type RedisFileInfo struct {
 }
 
 func GetRedisFileInfo(fileId string) (*RedisFileInfo, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	fileInfoUnmarshalData, err := rdb.Do(ctx, rdb.B().Hget().Key("015:fileInfoMap").Field(fileId).Build()).ToString()
 	if rueidis.IsRedisNil(err) {
 		return nil, nil
@@ -48,7 +50,8 @@ func GetRedisFileInfo(fileId string) (*RedisFileInfo, error) {
 }
 
 func SetRedisFileInfo(fileId string, handler func(fileInfo *RedisFileInfo) *RedisFileInfo) (*RedisFileInfo, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	old_fileInfo, err := GetRedisFileInfo(fileId)
 	if err != nil {
 		return nil, err
@@ -72,6 +75,7 @@ func SetRedisFileInfo(fileId string, handler func(fileInfo *RedisFileInfo) *Redi
 }
 
 func GetRedisFileInfoAll() (map[string]string, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	return rdb.Do(ctx, rdb.B().Hgetall().Key("015:fileInfoMap").Build()).AsStrMap()
 }
diff --git a/pkg/models/file_share_relational.go b/pkg/models/file_share_relational.go
index f7914bd..b06ec50 100644
--- a/pkg/models/file_share_relational.go
+++ b/pkg/models/file_share_relational.go
@@ -1,6 +1,7 @@
 package models
 
 import (
+	"context"
 	"encoding/json"
 	"pkg/utils"
 
@@ -8,7 +9,8 @@ import (
 )
 
 func GetRedisFileShareRelational(fileId string) ([]string, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	fileShareRelationalUnmarshalData, err := rdb.Do(ctx, rdb.B().Hget().Key("015:fileShareRelational").Field(fileId).Build()).ToString()
 	if rueidis.IsRedisNil(err) {
 		return nil, nil
@@ -24,7 +26,8 @@ func GetRedisFileShareRelational(fileId string) ([]string, error) {
 }
 
 func SetRedisFileShareRelational(fileId string, shareIDs []string) error {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	jsonData, err := json.Marshal(shareIDs)
 	if err != nil {
 		return err
diff --git a/pkg/models/pickupcode.go b/pkg/models/pickupcode.go
index 050daf0..33a1301 100644
--- a/pkg/models/pickupcode.go
+++ b/pkg/models/pickupcode.go
@@ -1,6 +1,7 @@
 package models
 
 import (
+	"context"
 	"fmt"
 	"time"
 
@@ -10,7 +11,8 @@ import (
 )
 
 func GetRedisPickupData(pickupCode string) (string, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	ShareId, err := rdb.Do(ctx, rdb.B().Get().Key(fmt.Sprintf("015:pickupCode:%s", pickupCode)).Build()).ToString()
 	if rueidis.IsRedisNil(err) {
 		return "", nil
@@ -22,7 +24,8 @@ func GetRedisPickupData(pickupCode string) (string, error) {
 }
 
 func SetRedisPickupData(pickupCode string, shareId string) (bool, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	return rdb.Do(
 		ctx,
 		rdb.B().Set().Key(fmt.Sprintf("015:pickupCode:%s", pickupCode)).Value(shareId).Nx().Ex(24*time.Hour).Build(),
diff --git a/pkg/models/share.go b/pkg/models/share.go
index 246e454..aba936a 100644
--- a/pkg/models/share.go
+++ b/pkg/models/share.go
@@ -1,6 +1,7 @@
 package models
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"time"
@@ -43,7 +44,8 @@ const (
 )
 
 func GetRedisShareInfo(shareId string) (*RedisShareInfo, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	key := fmt.Sprintf("015:shareInfoMap:%s", shareId)
 	shareInfoUnmarshalData, err := rdb.Do(ctx, rdb.B().Get().Key(key).Build()).ToString()
 	if rueidis.IsRedisNil(err) {
@@ -63,7 +65,8 @@ func GetRedisShareInfo(shareId string) (*RedisShareInfo, error) {
 }
 
 func SetRedisShareInfo(shareId string, handler func(shareInfo *RedisShareInfo) *RedisShareInfo) (*RedisShareInfo, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	old_shareInfo, err := GetRedisShareInfo(shareId)
 	if err != nil {
 		return nil, err
diff --git a/pkg/models/stat.go b/pkg/models/stat.go
index 3bbebfd..fd0fccd 100644
--- a/pkg/models/stat.go
+++ b/pkg/models/stat.go
@@ -18,7 +18,8 @@ type StatData struct {
 }
 
 func GetRedisStat(key string) (*StatData, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	statUnmarshalData, err := rdb.Do(ctx, rdb.B().Hget().Key("015:stat").Field(key).Build()).ToString()
 	if rueidis.IsRedisNil(err) {
 		return nil, nil
@@ -36,7 +37,7 @@ func GetRedisStat(key string) (*StatData, error) {
 func SetRedisStat(key string, handler func(stat *StatData) *StatData) (*StatData, error) {
 	var updatedStat *StatData
 	err := utils.WithLocker(context.Background(), "015:stat:"+key, 0, func(ctx context.Context) error {
-		rdb, _ := utils.GetRedisClient()
+		rdb := utils.GetRedisClient()
 		old_stat, err := GetRedisStat(key)
 		if err != nil {
 			return err
@@ -62,6 +63,7 @@ func SetRedisStat(key string, handler func(stat *StatData) *StatData) (*StatData
 }
 
 func GetRedisStatAll() (map[string]string, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	return rdb.Do(ctx, rdb.B().Hgetall().Key("015:stat").Build()).AsStrMap()
 }
diff --git a/pkg/models/task.go b/pkg/models/task.go
index 4531c9e..984c040 100644
--- a/pkg/models/task.go
+++ b/pkg/models/task.go
@@ -1,6 +1,7 @@
 package models
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"time"
@@ -11,7 +12,8 @@ import (
 )
 
 func GetRedisTaskInfo(taskId string) (*map[string]any, error) {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	taskInfoUnmarshalData, err := rdb.Do(ctx, rdb.B().Get().Key(fmt.Sprintf("015:taskInfoMap:%s", taskId)).Build()).ToString()
 	if rueidis.IsRedisNil(err) {
 		return nil, nil
@@ -28,7 +30,8 @@ func GetRedisTaskInfo(taskId string) (*map[string]any, error) {
 }
 
 func SetRedisTaskInfo(taskId string, taskInfo map[string]any) error {
-	rdb, ctx := utils.GetRedisClient()
+	rdb := utils.GetRedisClient()
+	ctx := context.Background()
 	jsonData, err := json.Marshal(taskInfo)
 	if err != nil {
 		return err
diff --git a/pkg/utils/redis.go b/pkg/utils/redis.go
index c7fc169..e38fb86 100644
--- a/pkg/utils/redis.go
+++ b/pkg/utils/redis.go
@@ -1,33 +1,24 @@
 package utils
 
 import (
-	"context"
-	"sync"
-
 	"github.com/redis/rueidis"
 )
 
-var (
-	rdb       rueidis.Client
-	ctx       = context.Background()
-	onceRedis sync.Once
-)
+var rdb rueidis.Client
 
-func InitRedis() rueidis.Client {
+func InitRedis() error {
 	opt, err := rueidis.ParseURL(GetEnv("redis.url"))
 	if err != nil {
-		panic(err)
+		return err
 	}
 	client, err := rueidis.NewClient(opt)
 	if err != nil {
-		panic(err)
+		return err
 	}
-	return client
+	rdb = client
+	return nil
 }
 
-func GetRedisClient() (rueidis.Client, context.Context) {
-	onceRedis.Do(func() {
-		rdb = InitRedis()
-	})
-	return rdb, ctx
+func GetRedisClient() rueidis.Client {
+	return rdb
 }
diff --git a/worker/internal/tasks/file.go b/worker/internal/tasks/file.go
index 5952e86..7e40f2c 100644
--- a/worker/internal/tasks/file.go
+++ b/worker/internal/tasks/file.go
@@ -34,13 +34,13 @@ func RemoveFile(ctx context.Context, task *asynq.Task) error {
 		}
 	}
 
-	rdb, rctx := u.GetRedisClient()
+	rdb := u.GetRedisClient()
 	uploadPath, err := u.GetUploadDirPath()
 	if err != nil {
 		return err
 	}
 	filePath := filepath.Join(uploadPath, payload.FileId)
-	if err := rdb.Do(rctx, rdb.B().Hdel().Key("015:fileInfoMap").Field(payload.FileId).Build()).Error(); err != nil {
+	if err := rdb.Do(ctx, rdb.B().Hdel().Key("015:fileInfoMap").Field(payload.FileId).Build()).Error(); err != nil {
 		return err
 	}
 	if err := os.RemoveAll(filePath); err != nil {
diff --git a/worker/internal/tasks/share.go b/worker/internal/tasks/share.go
index 110d4bd..0a45b93 100644
--- a/worker/internal/tasks/share.go
+++ b/worker/internal/tasks/share.go
@@ -34,7 +34,7 @@ func RemoveShare(ctx context.Context, task *asynq.Task) error {
 		return x != payload.ShareId
 	})
 	if len(shareIDs) == 0 {
-		rdb, ctx := u.GetRedisClient()
+		rdb := u.GetRedisClient()
 		uploadPath, err := u.GetUploadDirPath()
 		if err != nil {
 			return err
diff --git a/worker/main.go b/worker/main.go
index 85cd3a5..a31ede5 100644
--- a/worker/main.go
+++ b/worker/main.go
@@ -23,6 +23,11 @@ func main() {
 	}
 	defer logger.Sync() //nolint:errcheck
 	zap.ReplaceGlobals(logger)
+	// redis
+	if err := utils.InitRedis(); err != nil {
+		logger.Fatal("redis init failed", zap.Error(err))
+		panic(err)
+	}
 
 	if err := i18n.Init(); err != nil {
 		log.Fatalf("failed to init i18n: %v", err)