diff --git a/controller/usedata.go b/controller/usedata.go
index 4143c77..270eadf 100644
--- a/controller/usedata.go
+++ b/controller/usedata.go
@@ -31,6 +31,14 @@ func GetUserQuotaDates(c *gin.Context) {
 	userId := c.GetInt("id")
 	startTimestamp, _ := strconv.ParseInt(c.Query("start_timestamp"), 10, 64)
 	endTimestamp, _ := strconv.ParseInt(c.Query("end_timestamp"), 10, 64)
+	// 判断时间跨度是否超过 1 个月
+	if endTimestamp-startTimestamp > 2592000 {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": "时间跨度不能超过 1 个月",
+		})
+		return
+	}
 	dates, err := model.GetQuotaDataByUserId(userId, startTimestamp, endTimestamp)
 	if err != nil {
 		c.JSON(http.StatusOK, gin.H{