IDEA显示Cannot resolve symbol 'JsonField'，这个注解 @JsonField(ignore=true)。
我的pom.xml如下：

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.nutz</groupId>
  <artifactId>nutzbook</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>nutzbook Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.nutz</groupId>
      <artifactId>nutz</artifactId>
      <version>1.r.60</version>
    </dependency>
    <dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.38</version>
  </dependency>
  <dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>1.0.19</version>
  </dependency>
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>javax.servlet.jsp-api</artifactId>
      <version>2.2.1</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>org.apache.shiro</groupId>
      <artifactId>shiro-web</artifactId>
      <version>1.2.5</version>
    </dependency>
    <dependency>
      <groupId>org.apache.shiro</groupId>
      <artifactId>shiro-core</artifactId>
      <version>1.2.5</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>1.7.21</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>1.7.21</version>
    </dependency>
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
    <dependency>
      <groupId>org.apache.shiro</groupId>
      <artifactId>shiro-ehcache</artifactId>
      <version>1.3.2</version>
      <exclusions>
        <exclusion>
          <artifactId>ehcache-core</artifactId>
          <groupId>net.sf.ehcache</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>commons-beanutils</groupId>
      <artifactId>commons-beanutils-core</artifactId>
      <version>1.8.3</version>
    </dependency>
    <dependency>
      <groupId>com.ibeetl</groupId>
      <artifactId>beetl</artifactId>
      <version>2.7.12</version>
    </dependency>
    <dependency>
      <groupId>org.json</groupId>
      <artifactId>json</artifactId>
      <version>20160212</version>
    </dependency>
  </dependencies>
  <build>
    <finalName>nutzbook</finalName>
    <plugins>
      <plugin>
        <groupId>org.eclipse.jetty</groupId>
        <artifactId>jetty-maven-plugin</artifactId>
        <version>9.4.3.v20170317</version>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-resources-plugin</artifactId>
        <version>3.0.2</version>
        <configuration>
          <encoding>UTF-8</encoding>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-assembly-plugin</artifactId>
        <version>3.0.0</version>
        <configuration>
          <descriptorRefs>
            <descriptorRef>jar-with-dependencies</descriptorRef>
          </descriptorRefs>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <version>2.10.3</version>
        <configuration>
          <additionalparam>-Xdoclint:none</additionalparam>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <version>3.0.2</version>
        <configuration>
          <archive>
            <manifest>
              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
            </manifest>
          </archive>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.6.1</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
          <encoding>UTF-8</encoding>
          <compilerArgs>
            <arg>-parameters</arg>
          </compilerArgs>
          <useIncrementalCompilation>false</useIncrementalCompilation>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.19.1</version>
        <configuration>
          <forkMode>once</forkMode>
          <argLine>-Dfile.encoding=UTF-8</argLine>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>

UserProfile类的代码如下：

package net.sll.nutzbook.bean;

/**
 * Created by sll on 2017/5/6.
 */
import java.sql.Blob;

import org.nutz.dao.entity.annotation.Column;
import org.nutz.dao.entity.annotation.Id;
import org.nutz.dao.entity.annotation.Table;

@Table("t_user_profile")
public class UserProfile extends BasePojo {

    /**关联的用户id*/
    @Id(auto=false)
    @Column("uid")
    protected int userId;
    /**用户昵称*/
    @Column
    protected String nickname;
    /**用户邮箱*/
    @Column
    protected String email;
    /**邮箱是否已经验证过*/
    @Column("email_checked")
    protected boolean emailChecked;
    /**头像的byte数据*/
    @Column
    @JsonField(ignore=true)
    protected byte[] avatar;
    /**性别*/
    @Column
    protected String gender;
    /**自我介绍*/
    @Column("dt")
    protected String description;
    @Column("loc")
    protected String location;

    public int getUserId() {
        return userId;
    }

    public String getNickname() {
        return nickname;
    }

    public String getEmail() {
        return email;
    }

    public boolean isEmailChecked() {
        return emailChecked;
    }

    public byte[] getAvatar() {
        return avatar;
    }

    public String getGender() {
        return gender;
    }

    public String getDescription() {
        return description;
    }

    public String getLocation() {
        return location;
    }

    public void setUserId(int userId) {
        this.userId = userId;
    }

    public void setNickname(String nickname) {
        this.nickname = nickname;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public void setEmailChecked(boolean emailChecked) {
        this.emailChecked = emailChecked;
    }

    public void setAvatar(byte[] avatar) {
        this.avatar = avatar;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public void setLocation(String location) {
        this.location = location;
    }
}