diff --git a/backend/src/main/java/io/dataease/datasource/provider/DatasourceProvider.java b/backend/src/main/java/io/dataease/datasource/provider/DatasourceProvider.java
index 275f6a60ff..62cf6476cc 100644
--- a/backend/src/main/java/io/dataease/datasource/provider/DatasourceProvider.java
+++ b/backend/src/main/java/io/dataease/datasource/provider/DatasourceProvider.java
@@ -19,7 +19,7 @@ public abstract class DatasourceProvider {
         return new ArrayList<>();
     };
 
-    public void test(DatasourceRequest datasourceRequest) throws Exception {
+    public void checkStatus(DatasourceRequest datasourceRequest) throws Exception {
         getData(datasourceRequest);
     }
 
@@ -29,5 +29,5 @@ public abstract class DatasourceProvider {
 
     abstract public Map<String, List> fetchResultAndField(DatasourceRequest datasourceRequest) throws Exception;
 
-    abstract public void initDataSource(DatasourceRequest datasourceRequest, String type) throws Exception;
+    abstract public void handleDatasource(DatasourceRequest datasourceRequest, String type) throws Exception;
 }
diff --git a/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java b/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java
index fa8ab84c91..98f70cb58d 100644
--- a/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java
+++ b/backend/src/main/java/io/dataease/datasource/provider/JdbcProvider.java
@@ -19,8 +19,8 @@ import java.util.*;
 public class JdbcProvider extends DatasourceProvider {
 
     private static Map<String, ComboPooledDataSource> jdbcConnection = new HashMap<>();
-    private static int initPoolSize = 1;
-    private static int maxConnections = 1;
+    private static int initPoolSize = 5;
+    private static int maxConnections = 200;
 
     /**
      * 增加缓存机制 key 由 'provider_sql_' dsr.datasource.id dsr.table dsr.query共4部分组成，命中则使用缓存直接返回不再执行sql逻辑
@@ -268,7 +268,7 @@ public class JdbcProvider extends DatasourceProvider {
     }
 
     @Override
-    public void test(DatasourceRequest datasourceRequest) throws Exception {
+    public void checkStatus(DatasourceRequest datasourceRequest) throws Exception {
         String queryStr = getTablesSql(datasourceRequest);
         Connection con = null;
         try {
@@ -305,7 +305,7 @@ public class JdbcProvider extends DatasourceProvider {
     private Connection getConnectionFromPool(DatasourceRequest datasourceRequest) throws Exception {
         ComboPooledDataSource dataSource = jdbcConnection.get(datasourceRequest.getDatasource().getId());
         if (dataSource == null) {
-            initDataSource(datasourceRequest, "add");
+            handleDatasource(datasourceRequest, "add");
         }
         dataSource = jdbcConnection.get(datasourceRequest.getDatasource().getId());
         Connection co = dataSource.getConnection();
@@ -313,27 +313,36 @@ public class JdbcProvider extends DatasourceProvider {
     }
 
     @Override
-    public void initDataSource(DatasourceRequest datasourceRequest, String type) throws Exception {
+    public void handleDatasource(DatasourceRequest datasourceRequest, String type) throws Exception {
+        ComboPooledDataSource dataSource = null;
         switch (type){
             case "add":
-                ComboPooledDataSource dataSource = jdbcConnection.get(datasourceRequest.getDatasource().getId());
+                checkStatus(datasourceRequest);
+                dataSource = jdbcConnection.get(datasourceRequest.getDatasource().getId());
                 if (dataSource == null) {
-                    extracted(datasourceRequest);
+                    addToPool(datasourceRequest);
                 }
                 break;
             case "edit":
-                jdbcConnection.remove(datasourceRequest.getDatasource().getId());
-                extracted(datasourceRequest);
+                dataSource = jdbcConnection.get(datasourceRequest.getDatasource().getId());
+                if (dataSource != null) {
+                    dataSource.close();
+                }
+                checkStatus(datasourceRequest);
+                addToPool(datasourceRequest);
                 break;
             case "delete":
-                jdbcConnection.remove(datasourceRequest.getDatasource().getId());
+                dataSource = jdbcConnection.get(datasourceRequest.getDatasource().getId());
+                if (dataSource != null) {
+                    dataSource.close();
+                }
                 break;
             default:
                 break;
         }
     }
 
-    private void extracted(DatasourceRequest datasourceRequest) throws PropertyVetoException {
+    private void addToPool(DatasourceRequest datasourceRequest) throws PropertyVetoException {
         ComboPooledDataSource dataSource;
         dataSource = new ComboPooledDataSource();
         setCredential(datasourceRequest, dataSource);
diff --git a/backend/src/main/java/io/dataease/datasource/service/DatasourceService.java b/backend/src/main/java/io/dataease/datasource/service/DatasourceService.java
index 921e7d2b61..ca40861717 100644
--- a/backend/src/main/java/io/dataease/datasource/service/DatasourceService.java
+++ b/backend/src/main/java/io/dataease/datasource/service/DatasourceService.java
@@ -56,20 +56,20 @@ public class DatasourceService {
         datasource.setCreateTime(currentTimeMillis);
         datasource.setCreateBy(String.valueOf(AuthUtils.getUser().getUsername()));
         datasourceMapper.insertSelective(datasource);
-        initConnectionPool(datasource, "add");
+        handleConnectionPool(datasource, "add");
         return datasource;
     }
 
-    private void initConnectionPool(Datasource datasource, String type) {
+    private void handleConnectionPool(Datasource datasource, String type) {
         commonThreadPool.addTask(() -> {
             try {
                 DatasourceProvider datasourceProvider = ProviderFactory.getProvider(datasource.getType());
                 DatasourceRequest datasourceRequest = new DatasourceRequest();
                 datasourceRequest.setDatasource(datasource);
-                datasourceProvider.initDataSource(datasourceRequest, type);
-                LogUtil.info("Succsss to init datasource connection pool: " + datasource.getName());
+                datasourceProvider.handleDatasource(datasourceRequest, type);
+                LogUtil.info("Succsss to {} datasource connection pool: {}", type, datasource.getName());
             } catch (Exception e) {
-                LogUtil.error("Failed to init datasource connection pool: " + datasource.getName(), e);
+                LogUtil.error("Failed to handle datasource connection pool: " + datasource.getName(), e);
             }
         });
     }
@@ -100,7 +100,9 @@ public class DatasourceService {
         if(CollectionUtils.isNotEmpty(datasetTables)){
             DataEaseException.throwException(datasetTables.size() +  Translator.get("i18n_datasource_not_allow_delete_msg"));
         }
+        Datasource datasource = datasourceMapper.selectByPrimaryKey(datasourceId);
         datasourceMapper.deleteByPrimaryKey(datasourceId);
+        handleConnectionPool(datasource, "delete");
     }
 
     public void updateDatasource(Datasource datasource) {
@@ -108,14 +110,14 @@ public class DatasourceService {
         datasource.setCreateTime(null);
         datasource.setUpdateTime(System.currentTimeMillis());
         datasourceMapper.updateByPrimaryKeySelective(datasource);
-        initConnectionPool(datasource, "edit");
+        handleConnectionPool(datasource, "edit");
     }
 
     public void validate(Datasource datasource) throws Exception {
         DatasourceProvider datasourceProvider = ProviderFactory.getProvider(datasource.getType());
         DatasourceRequest datasourceRequest = new DatasourceRequest();
         datasourceRequest.setDatasource(datasource);
-        datasourceProvider.test(datasourceRequest);
+        datasourceProvider.checkStatus(datasourceRequest);
     }
 
     public List<DBTableDTO> getTables(Datasource datasource) throws Exception {
@@ -165,7 +167,7 @@ public class DatasourceService {
         List<Datasource> datasources = datasourceMapper.selectByExampleWithBLOBs(new DatasourceExample());
         datasources.forEach(datasource -> {
             try {
-                initConnectionPool(datasource, "add");
+                handleConnectionPool(datasource, "add");
             } catch (Exception e) {
                 e.printStackTrace();
             }