diff --git a/cache/repository.go b/cache/repository.go
index 90d72b6..8242c0d 100644
--- a/cache/repository.go
+++ b/cache/repository.go
@@ -1,6 +1,8 @@
 package cache
 
-import "time"
+import (
+	"electricity_bill_calc/config"
+)
 
 func CacheData[T interface{}](instance T, category string, key ...string) error {
 	var keys = make([]string, 0)
@@ -10,7 +12,7 @@ func CacheData[T interface{}](instance T, category string, key ...string) error
 	if exists, _ := Exists(cacheKey); exists {
 		Delete(cacheKey)
 	}
-	return Cache(cacheKey, &instance, 5*time.Minute)
+	return Cache(cacheKey, &instance, config.ServiceSettings.CacheLifeTime)
 }
 
 func RetreiveData[T interface{}](category string, key ...string) (*T, error) {
diff --git a/cache/session.go b/cache/session.go
index 4e4b179..501d5b5 100644
--- a/cache/session.go
+++ b/cache/session.go
@@ -1,10 +1,10 @@
 package cache
 
 import (
+	"electricity_bill_calc/config"
 	"electricity_bill_calc/model"
 	"fmt"
 	"strings"
-	"time"
 )
 
 func SessionKey(keys ...string) string {
@@ -18,7 +18,7 @@ func SessionKey(keys ...string) string {
 
 func CacheSession(session *model.Session) error {
 	key := SessionKey(session.Token)
-	return Cache(key, session, 2*time.Hour)
+	return Cache(key, session, config.ServiceSettings.MaxSessionLife)
 }
 
 func RetreiveSession(token string) (*model.Session, error) {
diff --git a/config/settings.go b/config/settings.go
index 8ee6227..ffbb9eb 100644
--- a/config/settings.go
+++ b/config/settings.go
@@ -4,7 +4,7 @@ import (
 	"time"
 )
 
-//服务器配置
+// 服务器配置
 type ServerSetting struct {
 	RunMode      string
 	HttpPort     int
@@ -12,7 +12,7 @@ type ServerSetting struct {
 	WriteTimeout time.Duration
 }
 
-//数据库配置
+// 数据库配置
 type DatabaseSetting struct {
 	User         string
 	Pass         string
@@ -31,9 +31,11 @@ type RedisSetting struct {
 
 type ServiceSetting struct {
 	MaxSessionLife time.Duration
+	ItemsPageSize  uint16
+	CacheLifeTime  time.Duration
 }
 
-//定义全局变量
+// 定义全局变量
 var (
 	ServerSettings   *ServerSetting
 	DatabaseSettings *DatabaseSetting
@@ -41,7 +43,7 @@ var (
 	ServiceSettings  *ServiceSetting
 )
 
-//读取配置到全局变量
+// 读取配置到全局变量
 func SetupSetting() error {
 	s, err := NewConfigurationFile()
 	if err != nil {
diff --git a/settings.yaml b/settings.yaml
index 179ae1f..39eaa8f 100644
--- a/settings.yaml
+++ b/settings.yaml
@@ -17,4 +17,6 @@ Redis:
   Password:
   DB: 2
 Service:
-  MaxSessionLife: 2h
\ No newline at end of file
+  MaxSessionLife: 2h
+  ItemsPageSize: 20
+  CacheLifeTime: 5m
\ No newline at end of file