diff --git a/application/common/library/RedpacketLua.php b/application/common/library/RedpacketLua.php
index 99b6024..c3c02ac 100644
--- a/application/common/library/RedpacketLua.php
+++ b/application/common/library/RedpacketLua.php
@@ -77,7 +77,7 @@ if leftCount == 1 then
 else
     -- 随机算法：二倍均值法，保证公平性
     local maxAmount = leftAmount / leftCount * 2
-    amount = math.random(1, math.floor(maxAmount * 100)) / 100
+    amount = math.random(1, math.floor(maxAmount))
     -- 确保金额不会超过剩余金额
     if amount > leftAmount then
         amount = leftAmount