feat: 优化 captcha 代码

pom.xml

@@ -30,9 +30,10 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
-        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <!-- 看看咋放到 bom 里 -->
         <lombok.version>1.18.24</lombok.version>
+        <spring.boot.version>2.7.7</spring.boot.version>
         <mapstruct.version>1.5.3.Final</mapstruct.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
@@ -60,12 +61,18 @@
                     <version>${maven-surefire-plugin.version}</version>
                 </plugin>
                 <!-- maven-compiler-plugin 插件，解决 Lombok + MapStruct 组合 -->
+                <!-- https://stackoverflow.com/questions/33483697/re-run-spring-boot-configuration-annotation-processor-to-update-generated-metada -->
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>${maven-compiler-plugin.version}</version>
                     <configuration>
                         <annotationProcessorPaths>
+                            <path>
+                                <groupId>org.springframework.boot</groupId>
+                                <artifactId>spring-boot-configuration-processor</artifactId>
+                                <version>${spring.boot.version}</version>
+                            </path>
                             <path>
                                 <groupId>org.projectlombok</groupId>
                                 <artifactId>lombok</artifactId>