Fix multi DataSource switching (#89)

diff --git a/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-backend/src/main/java/org/apache/shardingsphere/elasticjob/lite/ui/service/impl/EventTraceDataSourceConfigurationServiceImpl.java b/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-backend/src/main/java/org/apache/shardingsphere/elasticjob/lite/ui/service/impl/EventTraceDataSourceConfigurationServiceImpl.java
index 3b8d74f..60a444b 100644
--- a/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-backend/src/main/java/org/apache/shardingsphere/elasticjob/lite/ui/service/impl/EventTraceDataSourceConfigurationServiceImpl.java
+++ b/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-backend/src/main/java/org/apache/shardingsphere/elasticjob/lite/ui/service/impl/EventTraceDataSourceConfigurationServiceImpl.java
@@ -138,10 +138,8 @@
     }
     
     private void afterLoad(final EventTraceDataSourceConfiguration config) {
-        if (config.isActivated()) {
-            DataSource dataSource = DataSourceFactory.createDataSource(config);
-            dynamicDataSource.addDataSource(config.getName(), dataSource);
-            DynamicDataSourceConfig.DynamicDataSourceContextHolder.setDataSourceName(config.getName());
-        }
+        DataSource dataSource = DataSourceFactory.createDataSource(config);
+        dynamicDataSource.addDataSource(config.getName(), dataSource);
+        DynamicDataSourceConfig.DynamicDataSourceContextHolder.setDataSourceName(config.getName());
     }
 }