diff --git a/core-java-modules/core-java-numbers/README.md b/core-java-modules/core-java-numbers/README.md
deleted file mode 100644
index 86c826632a..0000000000
--- a/core-java-modules/core-java-numbers/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-## Java 数字（Number）
-
-本模块中包含有关 Java 数字（Number）有关的文章。
-
-### 相关文章
-- [理解 Java 中的 NumberFormatException 异常](https://www.ossez.com/t/java-numberformatexception/13986)
-- 
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diff --git a/core-java-modules/core-java-numbers/pom.xml b/core-java-modules/core-java-numbers/pom.xml
deleted file mode 100644
index a37e3398bd..0000000000
--- a/core-java-modules/core-java-numbers/pom.xml
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>core-java-numbers</artifactId>
-    <name>core-java-strings</name>
-    <packaging>jar</packaging>
-
-    <parent>
-        <groupId>com.ossez.core-java-modules</groupId>
-        <artifactId>core-java-modules</artifactId>
-        <version>0.0.2-SNAPSHOT</version>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.ibm.icu</groupId>
-            <artifactId>icu4j</artifactId>
-            <version>${icu4j.version}</version>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <finalName>core-java-strings</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
-    </build>
-
-    <properties>
-        <icu4j.version>61.1</icu4j.version>
-        <maven.compiler.release>11</maven.compiler.release>
-    </properties>
-
-</project>
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diff --git a/core-java-modules/core-java-numbers/src/main/resources/logback.xml b/core-java-modules/core-java-numbers/src/main/resources/logback.xml
deleted file mode 100644
index 7d900d8ea8..0000000000
--- a/core-java-modules/core-java-numbers/src/main/resources/logback.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<configuration>
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
-            </pattern>
-        </encoder>
-    </appender>
-
-    <root level="INFO">
-        <appender-ref ref="STDOUT" />
-    </root>
-</configuration>
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diff --git a/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java b/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java
deleted file mode 100644
index d8b055c2db..0000000000
--- a/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package com.ossez.number.foramt;
-
-
-import org.apache.commons.lang3.math.NumberUtils;
-import org.assertj.core.api.Assertions;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.TestInstance;
-
-import java.util.Arrays;
-
-import static org.assertj.core.api.Assertions.*;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-
-
-/**
- * String format to number with NumberFormatException
- *
- * <p><a href="https://www.ossez.com/t/java-numberformatexception/13986">https://www.ossez.com/t/java-numberformatexception/13986</a></p>
- *
- * @author YuCheng
- */
-@TestInstance(TestInstance.Lifecycle.PER_METHOD)
-public class NumberFormatExceptionTest {
-
-    @Test
-    public void ConstructorNumberFormatException() {
-
-//        JUNIT 5 Assert
-        Exception exception = assertThrows(NumberFormatException.class, () -> {
-            new Integer("one");
-        });
-        System.out.println(exception);
-
-//        AssertJ assertThatThrownBy
-        assertThatThrownBy(() -> {
-            new Integer("one");
-        }).isInstanceOf(NumberFormatException.class).hasMessageStartingWith("For input string");
-
-        // AssertJ assertThatExceptionOfType
-        assertThatExceptionOfType(NumberFormatException.class).isThrownBy(() -> {
-            new Integer("one");
-        });
-
-
-//		Integer aIntegerObj = new Integer("one");
-//      Double doubleDecimalObj = new Double("two.2");
-    }
-
-
-}
diff --git a/core-java-modules/core-java-numbers/src/test/resources/numbers.txt b/core-java-modules/core-java-numbers/src/test/resources/numbers.txt
deleted file mode 100644
index 43dd47ea69..0000000000
--- a/core-java-modules/core-java-numbers/src/test/resources/numbers.txt
+++ /dev/null
@@ -1 +0,0 @@
-one
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