diff --git a/third-party frameworks or libraries/jackson-samples/pom.xml b/third-party frameworks or libraries/jackson-samples/pom.xml
deleted file mode 100644
index ff876f1..0000000
--- a/third-party frameworks or libraries/jackson-samples/pom.xml	
+++ /dev/null
@@ -1,45 +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>
-
-    <groupId>com.heibaiying</groupId>
-    <artifactId>jackson-samples</artifactId>
-    <version>1.0-SNAPSHOT</version>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-    <dependencies>
-        <!--jackson 依赖包 -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>2.9.8</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>1.18.4</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.12</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
-
-</project>
\ No newline at end of file
diff --git a/third-party frameworks or libraries/jackson-samples/src/main/java/com/heibaiying/bean/User.java b/third-party frameworks or libraries/jackson-samples/src/main/java/com/heibaiying/bean/User.java
deleted file mode 100644
index 5d2dbab..0000000
--- a/third-party frameworks or libraries/jackson-samples/src/main/java/com/heibaiying/bean/User.java	
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.heibaiying.bean;
-
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-import java.util.Date;
-
-/**
- * @author : heibaiying
- */
-
-@Data
-@AllArgsConstructor
-@NoArgsConstructor
-public class User {
-
-    private String name;
-
-    private int age;
-
-    private float salary;
-
-    private Date birthday;
-}
diff --git a/third-party frameworks or libraries/jackson-samples/src/main/java/com/heibaiying/jackson/JacksonUtils.java b/third-party frameworks or libraries/jackson-samples/src/main/java/com/heibaiying/jackson/JacksonUtils.java
deleted file mode 100644
index 126aa77..0000000
--- a/third-party frameworks or libraries/jackson-samples/src/main/java/com/heibaiying/jackson/JacksonUtils.java	
+++ /dev/null
@@ -1,71 +0,0 @@
-package com.heibaiying.jackson;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-/**
- * @author : heibaiying
- * @description : jackson 的使用
- */
-public class JacksonUtils {
-
-    private static ObjectMapper mapper = new ObjectMapper();
-
-    /***
-     * spring 对象转换为json
-     */
-    public static String objectToJson(Object object) throws JsonProcessingException {
-        return mapper.writeValueAsString(object);
-    }
-
-    /***
-     * spring json 转换为对象
-     */
-    public static <T> T jsonToBean(String json, Class<T> valueType) throws IOException {
-        return mapper.readValue(json, valueType);
-    }
-
-    /***
-     * spring json 转换为List
-     */
-    public static <T> List<T> jsonToList(String json, Class<T> valueType) throws IOException {
-        List<Map<String, Object>> list = mapper.readValue(json, new TypeReference<List<T>>() {
-        });
-        return list.stream().map(value -> mapToBean(value, valueType)).collect(Collectors.toList());
-    }
-
-    /***
-     * spring json 转换为Map (map的value为基本类型)
-     */
-    public static Map jsonToMap(String json) throws IOException {
-        return mapper.readValue(json, Map.class);
-    }
-
-    /***
-     * spring json 转换为Map (map的value为bean)
-     */
-    public static <T> Map<String, T> jsonToMap(String json, Class<T> clazz) throws IOException {
-        Map<String, Map<String, Object>> map = mapper.readValue(json,
-                new TypeReference<Map<String, T>>() {
-                });
-        Map<String, T> result = new HashMap<>();
-        for (Map.Entry<String, Map<String, Object>> entry : map.entrySet()) {
-            result.put(entry.getKey(), mapToBean(entry.getValue(), clazz));
-        }
-        return result;
-    }
-
-    /***
-     *  map 转换为 bean
-     */
-    public static <T> T mapToBean(Map map, Class<T> valueType) {
-        return mapper.convertValue(map, valueType);
-    }
-}
diff --git a/third-party frameworks or libraries/jackson-samples/src/test/java/JacksonTests.java b/third-party frameworks or libraries/jackson-samples/src/test/java/JacksonTests.java
deleted file mode 100644
index f1e0bbc..0000000
--- a/third-party frameworks or libraries/jackson-samples/src/test/java/JacksonTests.java	
+++ /dev/null
@@ -1,21 +0,0 @@
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.heibaiying.bean.User;
-import com.heibaiying.jackson.JacksonUtils;
-import org.junit.Test;
-
-import java.io.IOException;
-import java.util.*;
-
-/**
- * @author : heibaiying
- * @description : jackson 测试
- */
-public class JacksonTests {
-
-    @Test
-    public void test() throws IOException {
-        
-    }
-}