diff --git a/admin/user.go b/admin/user.go
index 51bf4f7..df8c646 100644
--- a/admin/user.go
+++ b/admin/user.go
@@ -127,5 +127,6 @@ func UpdateRootPassword(db *sql.DB, cache *redis.Client, password string) error
 	}
 
 	cache.Del(context.Background(), fmt.Sprint("nio:user:root"))
+	
 	return nil
 }
diff --git a/auth/analysis.go b/auth/analysis.go
new file mode 100644
index 0000000..27017a5
--- /dev/null
+++ b/auth/analysis.go
@@ -0,0 +1,31 @@
+package auth
+
+import (
+	"chat/utils"
+	"fmt"
+	"github.com/go-redis/redis/v8"
+	"time"
+)
+
+func getMonth() string {
+	date := time.Now()
+	return date.Format("2006-01")
+}
+
+func getDay() string {
+	date := time.Now()
+	return date.Format("2006-01-02")
+}
+
+func getBillingFormat(t string) string {
+	return fmt.Sprintf("nio:billing-analysis-%s", t)
+}
+
+func getMonthBillingFormat(t string) string {
+	return fmt.Sprintf("nio:billing-analysis-%s", t)
+}
+
+func incrBillingRequest(cache *redis.Client, amount int64) {
+	utils.IncrWithExpire(cache, getBillingFormat(getDay()), amount, time.Hour*24*30*2)
+	utils.IncrWithExpire(cache, getMonthBillingFormat(getMonth()), amount, time.Hour*24*30*2)
+}
diff --git a/auth/payment.go b/auth/payment.go
index 40c800b..5aa1458 100644
--- a/auth/payment.go
+++ b/auth/payment.go
@@ -1,7 +1,6 @@
 package auth
 
 import (
-	"chat/admin"
 	"chat/utils"
 	"database/sql"
 	"errors"
@@ -79,7 +78,7 @@ func (u *User) Pay(db *sql.DB, cache *redis.Client, amount float32) bool {
 	if useDeeptrain() {
 		state := Pay(u.Username, amount)
 		if state {
-			admin.IncrBillingRequest(cache, int64(amount*100))
+			incrBillingRequest(cache, int64(amount*100))
 		}
 		return state
 	}
diff --git a/auth/redeem.go b/auth/redeem.go
index c1c129a..8be8492 100644
--- a/auth/redeem.go
+++ b/auth/redeem.go
@@ -1,7 +1,6 @@
 package auth
 
 import (
-	"chat/admin"
 	"chat/utils"
 	"database/sql"
 	"errors"
@@ -106,7 +105,7 @@ func (u *User) UseRedeem(db *sql.DB, cache *redis.Client, code string) (float32,
 			return 0, fmt.Errorf("failed to use redeem code: %w", err)
 		}
 
-		admin.IncrBillingRequest(cache, int64(redeem.GetQuota()*10))
+		incrBillingRequest(cache, int64(redeem.GetQuota()*10))
 		return redeem.GetQuota(), nil
 	}
 }