diff --git a/random/random.go b/random/random.go
index 117a8a2..41a3bf8 100644
--- a/random/random.go
+++ b/random/random.go
@@ -17,7 +17,7 @@ import (
 )
 
 const (
-	MaximumCapacity = math.MaxInt>>1 + 1
+	MaximumCapacity = math.MaxInt32>>1 + 1
 	Numeral         = "0123456789"
 	LowwerLetters   = "abcdefghijklmnopqrstuvwxyz"
 	UpperLetters    = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"