diff --git a/src/org/redkale/util/Utility.java b/src/org/redkale/util/Utility.java
index fd7adc755..3fa7a2c56 100644
--- a/src/org/redkale/util/Utility.java
+++ b/src/org/redkale/util/Utility.java
@@ -143,12 +143,7 @@ public final class Utility {
      * @return SecureRandom
      */
     public static SecureRandom createRandom() {
-        SecureRandom random;
-        try {
-            random = SecureRandom.getInstance("SHA1PRNG");
-        } catch (Exception e) {
-            random = new SecureRandom();
-        }
+        SecureRandom random = new SecureRandom();
         byte[] bs = new byte[16];
         random.nextBytes(bs);
         random.setSeed(bs);