diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2.java b/hutool-core/src/main/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2.java
index e3fb2156a..1c8232c25 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2.java
@@ -61,7 +61,7 @@ public class HighMultiReplacerV2 extends StrReplacer {
 				final char ch = text.charAt(i);
 				final Integer index = charIndexMap.get(ch);
 				// 下一个字符在候选转换字符串中都不存在 ch字符一定不会被替换
-				if(index < 0){
+				if(index == null || index < 0){
 					// 临时缓存空间中的数据写入到输出的 StringBuilder
 					if(temp.length() > 0){
 						stringBuilder.append(temp);
@@ -92,14 +92,16 @@ public class HighMultiReplacerV2 extends StrReplacer {
 
 				// 表示匹配到 现在进行字符串替换工作
 				if(currentNode.isEnd){
-					final int length = currentNode.tagetString.length();
+					final int length = currentNode.tagetString.length() - 1;
 					// 先清理匹配到的字符 最后一个字符未加入临时空间
-					temp.delete(temp.length() - length + 1,length - 1);
+					temp.delete(temp.length() - length,temp.length());
 					if(temp.length() > 0){
 						stringBuilder.append(temp);
 					}
 					// 写入被替换的字符串
 					stringBuilder.append(replaceMap.get(currentNode.tagetString));
+					// 将临时空间删除
+					temp.delete(0, temp.length());
 					// 因为字符串被替换过了 所以当前节点重新指向 root
 					currentNode = root;
 					continue;
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/text/finder/MultiStrFinderTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/text/finder/MultiStrFinderTest.java
new file mode 100644
index 000000000..94808eeef
--- /dev/null
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/text/finder/MultiStrFinderTest.java
@@ -0,0 +1,50 @@
+package org.dromara.hutool.core.text.finder;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author cmm
+ * @date 2024/8/12 11:16
+ */
+public class MultiStrFinderTest {
+
+	@Test
+	public void test1(){
+		ArrayList<String> strings = new ArrayList<>();
+		strings.add("sha");
+		strings.add("asa");
+		strings.add("ha");
+		strings.add("hex");
+		MultiStrFinder finder = MultiStrFinder.of(strings);
+		String text = "asdasahhxxeshaaahexaaasa";
+		Map<String, List<Integer>> match = finder.findMatch(text);
+		System.out.println(text);
+		match.forEach((k,v) -> {
+			System.out.println(k + ":" + v);
+		});
+
+	}
+
+
+	@Test
+	public void test2(){
+		ArrayList<String> strings = new ArrayList<>();
+		strings.add("沙漠");
+		strings.add("撒");
+		strings.add("哈");
+		strings.add("害克斯");
+		MultiStrFinder finder = MultiStrFinder.of(strings);
+		String text = "撒哈拉大沙漠，你看哈哈哈。hex码中文写成海克斯科技";
+		Map<String, List<Integer>> match = finder.findMatch(text);
+		System.out.println(text);
+		match.forEach((k,v) -> {
+			System.out.println(k + ":" + v);
+		});
+
+	}
+
+}
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2Test.java b/hutool-core/src/test/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2Test.java
new file mode 100644
index 000000000..49a1a2dc3
--- /dev/null
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/text/replacer/HighMultiReplacerV2Test.java
@@ -0,0 +1,51 @@
+package org.dromara.hutool.core.text.replacer;
+
+import org.dromara.hutool.core.text.finder.MultiStrFinder;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author cmm
+ * @date 2024/8/12 14:49
+ */
+public class HighMultiReplacerV2Test {
+	@Test
+	public void test1(){
+		HashMap<String, String> replaceMap = new HashMap<>();
+		replaceMap.put("sha","SHA");
+		replaceMap.put("asa","ASA");
+		replaceMap.put("ha","HA");
+		replaceMap.put("hex","HEX");
+		HighMultiReplacerV2 replacer = new HighMultiReplacerV2(replaceMap);
+		String text = "asdasahhxxeshaaahexaaasa";
+		CharSequence apply = replacer.apply(text);
+		replaceMap.forEach((k,v) -> {
+			System.out.println(k + ":" + v);
+		});
+		System.out.println(text);
+		System.out.println(apply);
+	}
+
+
+	@Test
+	public void test2(){
+		HashMap<String, String> replaceMap = new HashMap<>();
+		replaceMap.put("沙漠","什么");
+		replaceMap.put("撒","厦");
+		replaceMap.put("哈","蛤");
+		replaceMap.put("海克斯","害可是");
+		HighMultiReplacerV2 replacer = new HighMultiReplacerV2(replaceMap);
+		String text = "撒哈拉大沙漠，你看哈哈哈。hex码中文写成海克斯科技，海克，沙子收拾收拾，撤退，撒下了句点";
+		CharSequence apply = replacer.apply(text);
+		replaceMap.forEach((k,v) -> {
+			System.out.println(k + ":" + v);
+		});
+		System.out.println(text);
+		System.out.println(apply);
+
+	}
+}