diff --git a/backend/src/main/java/io/dataease/provider/datasource/JdbcProvider.java b/backend/src/main/java/io/dataease/provider/datasource/JdbcProvider.java
index 1886237455..ddb7d3c58a 100644
--- a/backend/src/main/java/io/dataease/provider/datasource/JdbcProvider.java
+++ b/backend/src/main/java/io/dataease/provider/datasource/JdbcProvider.java
@@ -16,12 +16,8 @@ import io.dataease.provider.ProviderFactory;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 
-import javax.annotation.PostConstruct;
 import java.beans.PropertyVetoException;
-import java.io.File;
-import java.io.IOException;
 import java.lang.reflect.Method;
-import java.net.URL;
 import java.sql.*;
 import java.util.*;
 
@@ -287,9 +283,9 @@ public class JdbcProvider extends DefaultJdbcProvider {
             }
 
         } catch (SQLException e) {
-            io.dataease.plugins.common.exception.DataEaseException.throwException("SQL ERROR" + e.getMessage());
+            DataEaseException.throwException("SQL ERROR" + e.getMessage());
         } catch (Exception e) {
-            io.dataease.plugins.common.exception.DataEaseException.throwException("Data source connection exception: " + e.getMessage());
+            DataEaseException.throwException("Data source connection exception: " + e.getMessage());
         }
         return list;
     }
diff --git a/frontend/src/views/system/datasource/form.vue b/frontend/src/views/system/datasource/form.vue
index 70afbfe964..5c1b7e0ce6 100644
--- a/frontend/src/views/system/datasource/form.vue
+++ b/frontend/src/views/system/datasource/form.vue
@@ -495,7 +495,7 @@ export default {
     changeType() {
       for (let i = 0; i < this.dsTypes.length; i++) {
         if (this.dsTypes[i].type === this.form.type) {
-          if(row.type !== 'api'){
+          if(this.form.type !== 'api'){
             this.form.configuration.extraParams = this.dsTypes[i].extraParams
           }
           this.datasourceType = this.dsTypes[i]