From a82eef1afe9fde25cb138d3a0932b7499de7e497 Mon Sep 17 00:00:00 2001
From: Jesse-Ma <24167796@qq.com>
Date: Mon, 26 Dec 2022 11:07:06 +0800
Subject: [PATCH] =?UTF-8?q?=E9=9A=8F=E6=9C=BA=E6=95=B0?=
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---
 README.md                                          |  2 ++
 .../java/com/flagnote/note/utils/RandomUtils.java  | 14 ++++++++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 277c640..58b1064 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # flagnote-service
 flagnote-service
+
+-Djava.security.egd=file:/dev/./urandom
diff --git a/src/main/java/com/flagnote/note/utils/RandomUtils.java b/src/main/java/com/flagnote/note/utils/RandomUtils.java
index 1ccc72b..4c565eb 100644
--- a/src/main/java/com/flagnote/note/utils/RandomUtils.java
+++ b/src/main/java/com/flagnote/note/utils/RandomUtils.java
@@ -1,15 +1,21 @@
 package com.flagnote.note.utils;
 
-import java.util.concurrent.ThreadLocalRandom;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
 
 public class RandomUtils {
 
+	public static SecureRandom sr = null;
 	
-	public static ThreadLocalRandom getRandom() {
-		return ThreadLocalRandom.current();
+	static {
+        try {
+            sr = SecureRandom.getInstanceStrong();
+        } catch (NoSuchAlgorithmException e) {
+            sr = new SecureRandom(); 
+        }
 	}
 	
 	public static Integer nextInt(Integer num) {
-		return getRandom().nextInt(num);
+		return sr.nextInt(num);
 	}
 }
\ No newline at end of file