diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/room/RoomMemberChangeIdentityCmdExe.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/room/RoomMemberChangeIdentityCmdExe.java
index a67e6f9c..77ffeb78 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/room/RoomMemberChangeIdentityCmdExe.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/room/RoomMemberChangeIdentityCmdExe.java
@@ -289,7 +289,7 @@ public class RoomMemberChangeIdentityCmdExe {
             .origin(GoldOrigin.JOIN_ROOM)
             .amount(BigDecimal.valueOf(joinGolds)).build()));
 
-    BigDecimal gold = ArithmeticUtils.multiplyRatioRemain(BigDecimal.valueOf(joinGolds), 0.2)
+    BigDecimal gold = ArithmeticUtils.multiplyRatioRemain(BigDecimal.valueOf(joinGolds), 0.5)
         .setScale(0, RoundingMode.DOWN);
     if (!ArithmeticUtils.gte(gold, BigDecimal.ONE)) {
       return false;