diff --git a/core/core-backend/src/main/java/io/dataease/datasource/server/EngineServer.java b/core/core-backend/src/main/java/io/dataease/datasource/server/EngineServer.java
index 676dfa12a3..540f68de30 100644
--- a/core/core-backend/src/main/java/io/dataease/datasource/server/EngineServer.java
+++ b/core/core-backend/src/main/java/io/dataease/datasource/server/EngineServer.java
@@ -122,8 +122,11 @@ public class EngineServer {
             }
             mysqlConfiguration.setHost(matcher.group(1));
             mysqlConfiguration.setPort(Integer.valueOf(matcher.group(2)));
-            mysqlConfiguration.setDataBase(matcher.group(3).split("\\?")[0]);
-            mysqlConfiguration.setExtraParams(matcher.group(3).split("\\?")[1]);
+            String[] databasePrams = matcher.group(3).split("\\?");
+            mysqlConfiguration.setDataBase(databasePrams[0]);
+            if(databasePrams.length == 2){
+                mysqlConfiguration.setExtraParams(databasePrams[1]);
+            }
             mysqlConfiguration.setUsername(env.getProperty("spring.datasource.username"));
             mysqlConfiguration.setPassword(env.getProperty("spring.datasource.password"));
             engine.setConfiguration(JsonUtil.toJSONString(mysqlConfiguration).toString());
diff --git a/core/core-backend/src/main/java/io/dataease/listener/DataSourceInitStartListener.java b/core/core-backend/src/main/java/io/dataease/listener/DataSourceInitStartListener.java
index a54d75b63d..72dbae8e67 100644
--- a/core/core-backend/src/main/java/io/dataease/listener/DataSourceInitStartListener.java
+++ b/core/core-backend/src/main/java/io/dataease/listener/DataSourceInitStartListener.java
@@ -34,7 +34,10 @@ public class DataSourceInitStartListener implements ApplicationListener<Applicat
     public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent) {
         try {
             engineServer.initSimpleEngine();
-            datasourceServer.updateDemoDs();
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        try {
             calciteProvider.initConnectionPool();
         }catch (Exception e){
             e.printStackTrace();