diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/utils/NumberUtil.java b/blade-core-tool/src/main/java/org/springblade/core/tool/utils/NumberUtil.java
index ccb057a..2ce4a87 100644
--- a/blade-core-tool/src/main/java/org/springblade/core/tool/utils/NumberUtil.java
+++ b/blade-core-tool/src/main/java/org/springblade/core/tool/utils/NumberUtil.java
@@ -172,7 +172,7 @@ public class NumberUtil extends org.springframework.util.NumberUtils {
 	/**
 	 * All possible chars for representing a number as a String
 	 */
-	private final static char[] DIGITS = {
+	protected final static byte[] DIGITS = {
 		'0', '1', '2', '3', '4', '5',
 		'6', '7', '8', '9', 'a', 'b',
 		'c', 'd', 'e', 'f', 'g', 'h',
@@ -194,7 +194,7 @@ public class NumberUtil extends org.springframework.util.NumberUtils {
 	 */
 	public static String to62String(long i) {
 		int radix = DIGITS.length;
-		char[] buf = new char[65];
+		byte[] buf = new byte[65];
 		int charPos = 64;
 		i = -i;
 		while (i <= -radix) {
@@ -202,8 +202,35 @@ public class NumberUtil extends org.springframework.util.NumberUtils {
 			i = i / radix;
 		}
 		buf[charPos] = DIGITS[(int) (-i)];
-
 		return new String(buf, charPos, (65 - charPos));
 	}
 
+	/**
+	 * 将 62 进制字符串转为数字
+	 *
+	 * @param s 字符串
+	 * @return 数字
+	 */
+	public static long form62String(String s) {
+		char[] chars = s.toCharArray();
+		char c;
+		int idx;
+		long res = 0;
+		int len = chars.length;
+		int lenIdx = len - 1;
+		for (int i = 0; i < len; i++) {
+			c = chars[i];
+			// 将字符转换为对应的数字
+			if (c >= 'A' && c <= 'Z') {
+				idx = c - 29;
+			} else if (c >= 'a' && c <= 'z') {
+				idx = c - 87;
+			} else {
+				idx = c - 48;
+			}
+			res += (long) (idx * StrictMath.pow(62, lenIdx - i));
+		}
+		return res;
+	}
+
 }
diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/utils/StringUtil.java b/blade-core-tool/src/main/java/org/springblade/core/tool/utils/StringUtil.java
index b6f1946..5606906 100644
--- a/blade-core-tool/src/main/java/org/springblade/core/tool/utils/StringUtil.java
+++ b/blade-core-tool/src/main/java/org/springblade/core/tool/utils/StringUtil.java
@@ -24,6 +24,7 @@ import org.springframework.web.util.HtmlUtils;
 
 import java.io.StringReader;
 import java.io.StringWriter;
+import java.nio.charset.StandardCharsets;
 import java.text.MessageFormat;
 import java.util.*;
 import java.util.concurrent.ThreadLocalRandom;
@@ -181,8 +182,59 @@ public class StringUtil extends org.springframework.util.StringUtils {
 	 * @return UUID
 	 */
 	public static String randomUUID() {
-		ThreadLocalRandom random = ThreadLocalRandom.current();
-		return new UUID(random.nextLong(), random.nextLong()).toString().replace(StringPool.DASH, StringPool.EMPTY);
+		return getId(ThreadLocalRandom.current(), 32, 16);
+	}
+
+	/**
+	 * 获取一个快速生成的随机 id，包含数字，大小写，同长度比 uuid 冲突概率更小得多
+	 *
+	 * @param len 为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
+	 * @return id 字符串
+	 */
+	public static String getFastId(int len) {
+		return getId(ThreadLocalRandom.current(), len, 62);
+	}
+
+	/**
+	 * 获取一个安全的随机 id，包含数字，大小写，同长度比 uuid 冲突概率更小得多
+	 *
+	 * @param len 为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
+	 * @return id 字符串
+	 */
+	public static String getSafeId(int len) {
+		return getId(Holder.SECURE_RANDOM, len, 62);
+	}
+
+	/**
+	 * 获取一个生成的随机 id，同长度比 uuid 冲突概率更小得多
+	 *
+	 * @param random Random
+	 * @param len    为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
+	 * @return id 字符串
+	 */
+	public static String getId(Random random, int len) {
+		return getId(random, len, 62);
+	}
+
+	/**
+	 * 获取一个生成的随机 id，同长度比 uuid 冲突概率更小得多
+	 *
+	 * @param random Random
+	 * @param len    为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
+	 * @param radix  radix，36 包含字母和数字，62 包含大写字母
+	 * @return id 字符串
+	 */
+	public static String getId(Random random, int len, int radix) {
+		if (len < 8) {
+			throw new IllegalArgumentException("为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。");
+		}
+		byte[] randomBytes = new byte[len];
+		random.nextBytes(randomBytes);
+		int mask = radix - 1;
+		for (int i = 0; i < len; i++) {
+			randomBytes[i] = NumberUtil.DIGITS[(randomBytes[i] & 0xff) & mask];
+		}
+		return new String(randomBytes, StandardCharsets.ISO_8859_1);
 	}
 
 	/**
@@ -1444,7 +1496,6 @@ public class StringUtil extends org.springframework.util.StringUtils {
 	}
 
 
-
 	/**
 	 * 首字母变小写
 	 *
diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/utils/UrlUtil.java b/blade-core-tool/src/main/java/org/springblade/core/tool/utils/UrlUtil.java
index 1d2eafd..19f7ff7 100644
--- a/blade-core-tool/src/main/java/org/springblade/core/tool/utils/UrlUtil.java
+++ b/blade-core-tool/src/main/java/org/springblade/core/tool/utils/UrlUtil.java
@@ -15,6 +15,8 @@
  */
 package org.springblade.core.tool.utils;
 
+import org.springframework.util.StringUtils;
+
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.nio.charset.Charset;
@@ -45,7 +47,7 @@ public class UrlUtil extends org.springframework.web.util.UriUtils {
 	 * @return 解码url
 	 */
 	public static String decodeURL(String source, Charset charset) {
-		return UrlUtil.decode(source, charset.name());
+		return StringUtils.uriDecode(source, charset);
 	}
 
 	/**