解决年度新增用户数

Signed-off-by: zouap <zouap@pcl.ac.cn>

models/user_business_analysis.go

@@ -132,7 +132,12 @@ func makeResultForMonth(allUserInfo []*UserMetrics, count int) []*UserMetrics {
 	if count > 0 {
 		for _, userMetrics := range allUserInfo {
 			dateTime := time.Unix(userMetrics.CountDate, 0)
-			month := fmt.Sprint(dateTime.Year()) + "-" + fmt.Sprint(int(dateTime.Month()))
+			mInt := int(dateTime.Month())
+			mString := fmt.Sprint(mInt)
+			if mInt < 10 {
+				mString = "0" + mString
+			}
+			month := fmt.Sprint(dateTime.Year()) + "-" + mString
 			if _, ok := monthMap[month]; !ok {
 				monthUserMetrics := &UserMetrics{
 					DisplayDate:                month,