fix: 不等号

seecoder-build-server/src/main/java/cn/seecoder/build/server/service/facade/jenkins/impl/JenkinsApiImpl.java

@@ -41,7 +41,7 @@ public class JenkinsApiImpl implements JenkinsApi {
     public void createJob(String jobName, String configTemplate) throws ServiceException {
         try {
             logger.info("Server is running?"+server.isRunning());
-            if(server.getJob(jobName)==null)
+            if(server.getJob(jobName)!=null)
                 return;
             logger.info(jobName);
             server.createJob(jobName, configTemplate);