（没成功，放弃尝试）去除注册中心 nacos；添加 Eureka；升级Spring Cloud版本为2022.0.1；JDK版本为17

backend/microservice-common/pom.xml

@@ -13,8 +13,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
     <dependencies>
@@ -26,7 +26,6 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-beans</artifactId>
-            <version>5.3.22</version>
         </dependency>
     </dependencies>
 </project>