diff --git a/server/marketserver/api/v1/activity/stacking.go b/server/marketserver/api/v1/activity/stacking.go
index 386f906c..bdff93d7 100644
--- a/server/marketserver/api/v1/activity/stacking.go
+++ b/server/marketserver/api/v1/activity/stacking.go
@@ -155,9 +155,9 @@ func (sa *StackingApi) DiamondRecordQuery(c *gin.Context) {
 					return
 				}
 
-				obj := new(Record)
-
 				for ds.Next() {
+					obj := new(Record)
+
 					obj.Date = q5.SafeToInt32(ds.GetByName("createtime"))
 					obj.Amount = ds.GetByName("amount")
 					obj.Type = 1
@@ -181,9 +181,9 @@ func (sa *StackingApi) DiamondRecordQuery(c *gin.Context) {
 					return
 				}
 
-				obj := new(Record)
-
 				for ds.Next() {
+					obj := new(Record)
+
 					obj.Date = q5.SafeToInt32(ds.GetByName("pay_time"))
 					obj.Amount = ds.GetByName("diamond")
 					obj.Type = 0