spring-cloud-config 启动报错 keyProperties 冲突，如何解决？

Question

程序启动报如下错误：

Field key in org.springframework.cloud.config.server.config.DefaultTextEncryptorConfiguration required a single bean, but 2 were found:

- keyProperties: defined by method 'keyProperties' in class path resource [org/springframework/cloud/config/server/config/EncryptionAutoConfiguration.class]
- encrypt-org.springframework.cloud.bootstrap.encrypt.KeyProperties: defined in null
- 

POM.xml 文件
<?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">
<parent>
    <artifactId>cloud2021</artifactId>
    <groupId>org.example.springcloud</groupId>
    <version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>cloud-config-center-3344</artifactId>
<dependencies>
    <!-- 要使用配置中心增加此JAR -->
    <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-config-server -->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-config-server</artifactId>
        <version>3.0.3</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        <version>2.2.7.RELEASE</version>
    </dependency>
    <!--引入自己定义的API通用包-->
    <dependency>
        <groupId>org.example.springcloud</groupId>
        <artifactId>cloud-api-commons</artifactId>
        <version>${project.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>

    <!--热部署JAR-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

</project>