fix bug

README.md

@@ -170,8 +170,6 @@ grant change notification to 你的账号
 ## 开发依赖
 * [JDK - 1.8.0_40](https://www.oracle.com/java/technologies/jdk8-downloads.html)（推荐版本以上）
 * [Maven - 3.3.9](https://dlcdn.apache.org/maven/maven-3/)（推荐版本以上）
-* [Spring Boot - 2.2.0.RELEASE](https://docs.spring.io/spring-boot/docs/2.2.0.RELEASE/reference/html)
-* [Bootstrap - 3.3.4](http://getbootstrap.com)
 
 ## 手动编译
 > 先确保环境已安装JDK和Maven

dbsyncer-biz/src/main/java/org/dbsyncer/biz/impl/ConnectorServiceImpl.java

@@ -118,14 +118,13 @@ public class ConnectorServiceImpl extends BaseServiceImpl implements ConnectorSe
             }
         });
 
-        if (CollectionUtils.isEmpty(remove)) {
+        if (!CollectionUtils.isEmpty(remove)) {
             remove.forEach(k -> health.remove(k));
         }
     }
 
     @Override
     public boolean isAlive(String id) {
-        final Boolean alive = health.get(id);
-        return null != alive && alive;
+        return health.containsKey(id) && health.get(id);
     }
 }

dbsyncer-web/src/main/resources/static/css/common.css

@@ -8,8 +8,7 @@
 .driverVerifcateRequired{color:#d9534f;}
 .dbsyncerVerifcateError{border-color: #b94a48;}
 .driver_add_vertical_center {padding-top: 100%;}
-.footerContainer{width:100%;position:fixed;bottom:0;background-color:white;}
-#initContainer{min-height: 600px;}
+.footerContainer{width:100%;position:relative;bottom:0;background-color:white;}
 /**
  * 强制单词换行
  */

dbsyncer-web/src/main/resources/static/js/common.js

@@ -4,6 +4,7 @@ var $path = document.location.pathname;
 var $basePath = $location[0] + '//' + $location[2] + $path.substr(0, $path.substr(1).indexOf("/")+1);
 // 全局内容区域
 var $initContainer = $("#initContainer");
+    $initContainer.css("min-height", $(window).height() - 125);
 // 监控定时器
 var timer;