diff --git a/router/router.go b/router/router.go
index 6510268..733133e 100644
--- a/router/router.go
+++ b/router/router.go
@@ -323,6 +323,7 @@ func HandleProy(c *gin.Context) {
 	}
 	if resp.StatusCode == 200 {
 		// todo
+		log.Println(string(bodyRes))
 	}
 	resbody := io.NopCloser(bytes.NewReader(bodyRes))
 	// 返回 API 响应主体
@@ -382,41 +383,27 @@ func HandleReverseProxy(c *gin.Context) {
 
 }
 
-type Usage struct {
-	Cost      string `json:"cost"`
-	UserID    int    `json:"userId"`
-	TotalUnit int    `json:"totalUnit"`
-}
-
 func HandleUsage(c *gin.Context) {
 	fromStr := c.Query("from")
 	toStr := c.Query("to")
 
-	from, err := time.Parse("2006-01-02", fromStr)
-	if err != nil {
-		c.JSON(400, gin.H{"error": "Invalid from date format"})
-		return
-	}
+	// from, err := time.Parse("2006-01-02", fromStr)
+	// if err != nil {
+	// 	c.JSON(400, gin.H{"error": "Invalid from date format"})
+	// 	return
+	// }
 
-	to, err := time.Parse("2006-01-02", toStr)
-	if err != nil {
-		c.JSON(400, gin.H{"error": "Invalid to date format"})
-		return
-	}
+	// to, err := time.Parse("2006-01-02", toStr)
+	// if err != nil {
+	// 	c.JSON(400, gin.H{"error": "Invalid to date format"})
+	// 	return
+	// }
 
-	err = store.QueryUsage(from, to)
+	usage, err := store.QueryUsage(fromStr, toStr)
 	if err != nil {
 		c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
 		return
 	}
 
-	// Mock data for testing
-	usage := Usage{
-		Cost:      "0.000076",
-		UserID:    1,
-		TotalUnit: 38,
-	}
-
-	c.JSON(200, []Usage{usage})
-
+	c.JSON(200, usage)
 }
diff --git a/store/usage.go b/store/usage.go
index 23a755e..89810c9 100644
--- a/store/usage.go
+++ b/store/usage.go
@@ -1,6 +1,8 @@
 package store
 
-import "time"
+import (
+	"time"
+)
 
 type DailyUsage struct {
 	ID              int       `gorm:"column:id"`
@@ -33,6 +35,62 @@ func (Usage) TableName() string {
 	return "usages"
 }
 
-func QueryUsage(from, to time.Time) error {
+type Summary struct {
+	UserId int
+	// SumPromptUnits     int
+	// SumCompletionUnits int
+	SumTotalUnit int
+	SumCost      float64
+}
+type CalcUsage struct {
+	UserID    int    `json:"userId,omitempty"`
+	TotalUnit int    `json:"totalUnit,omitempty"`
+	Cost      string `json:"cost,omitempty"`
+}
+
+func QueryUsage(from, to string) ([]CalcUsage, error) {
+	var results = []CalcUsage{}
+	err := usage.Model(&DailyUsage{}).Select(`user_id, 
+	--SUM(prompt_units) AS prompt_units,
+	-- SUM(completion_units) AS completion_units,
+	SUM(total_unit) AS total_unit,
+	SUM(cost) AS cost`).
+		Group("user_id").
+		Where("date >= ? AND date < ?", from, to).
+		Find(&results).Error
+	if err != nil {
+		return nil, err
+	}
+	return results, nil
+}
+
+func SumDaily(userid string) ([]Summary, error) {
+	return nil, nil
+}
+
+func SumDailyV2(uid string) error {
+
+	// err := usage.Model(&DailyUsage{}).
+	// 	Select("user_id, '2023-04-18' as date, sku, SUM(prompt_units) as sum_prompt_units, SUM(completion_units) as sum_completion_units, SUM(total_unit) as sum_total_unit, SUM(cost) as sum_cost").
+	// 	Where("date >= ?", "2023-04-18").
+	// 	Where("user_id = ?", 2).
+	// 	Create(&DailyUsage{}).Error
+	nowstr := time.Now().Format("2006-01-02")
+	err := usage.Exec(`INSERT INTO daily_usages
+		(user_id, date, sku, prompt_units, completion_units, total_unit, cost)
+		SELECT 
+		user_id,
+		?,
+		sku,
+		SUM(prompt_units) AS sum_prompt_units,
+		SUM(completion_units) AS sum_completion_units,
+		SUM(total_unit) AS sum_total_unit,
+		SUM(cost) AS sum_cost
+		FROM usages 
+		WHERE date >= ?
+		AND user_id = ?`, nowstr, nowstr, uid).Error
+	if err != nil {
+		return err
+	}
 	return nil
 }