diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/ConnectionStrings/MySqlConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/ConnectionStrings/MySqlConnectionStringChecker.cs
index 67de4ac754..88dc7912f3 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/ConnectionStrings/MySqlConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.MySQL/Volo/Abp/EntityFrameworkCore/ConnectionStrings/MySqlConnectionStringChecker.cs
@@ -12,16 +12,16 @@ public class MySqlConnectionStringChecker : IConnectionStringChecker, ITransient
     public virtual async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
     {
         var result = new AbpConnectionStringCheckResult();
-        var connString = new MySqlConnectionStringBuilder(connectionString)
+        try
         {
-            ConnectionLifeTime = 1
-        };
+            var connString = new MySqlConnectionStringBuilder(connectionString)
+            {
+                ConnectionLifeTime = 1
+            };
 
-        var oldDatabaseName = connString.Database;
-        connString.Database = "mysql";
+            var oldDatabaseName = connString.Database;
+            connString.Database = "mysql";
 
-        try
-        {
             await using var conn = new MySqlConnection(connString.ConnectionString);
             await conn.OpenAsync();
             result.Connected = true;
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleDevartConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleDevartConnectionStringChecker.cs
index c838b0c9aa..3accce590e 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleDevartConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleDevartConnectionStringChecker.cs
@@ -12,13 +12,13 @@ public class OracleDevartConnectionStringChecker : IConnectionStringChecker, ITr
     public virtual async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
     {
         var result = new AbpConnectionStringCheckResult();
-        var connString = new OracleConnectionStringBuilder(connectionString)
-        {
-            ConnectionTimeout = 1
-        };
-
         try
         {
+            var connString = new OracleConnectionStringBuilder(connectionString)
+            {
+                ConnectionTimeout = 1
+            };
+
             await using var conn = new OracleConnection(connString.ConnectionString);
             await conn.OpenAsync();
             result.Connected = true;
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleConnectionStringChecker.cs
index 7ecc70d986..afdcc16c28 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/ConnectionStrings/OracleConnectionStringChecker.cs
@@ -12,13 +12,13 @@ public class OracleConnectionStringChecker : IConnectionStringChecker, ITransien
     public virtual async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
     {
         var result = new AbpConnectionStringCheckResult();
-        var connString = new OracleConnectionStringBuilder(connectionString)
-        {
-            ConnectionTimeout = 1
-        };
-
         try
         {
+            var connString = new OracleConnectionStringBuilder(connectionString)
+            {
+                ConnectionTimeout = 1
+            };
+
             await using var conn = new OracleConnection(connString.ConnectionString);
             await conn.OpenAsync();
             result.Connected = true;
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs
index f6c8392da5..76b1def1ca 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/ConnectionStrings/NpgsqlConnectionStringChecker.cs
@@ -12,16 +12,16 @@ public class NpgsqlConnectionStringChecker : IConnectionStringChecker, ITransien
     public virtual async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
     {
         var result = new AbpConnectionStringCheckResult();
-        var connString = new NpgsqlConnectionStringBuilder(connectionString)
+        try
         {
-            Timeout = 1
-        };
+            var connString = new NpgsqlConnectionStringBuilder(connectionString)
+            {
+                Timeout = 1
+            };
 
-        var oldDatabaseName = connString.Database;
-        connString.Database = "postgres";
+            var oldDatabaseName = connString.Database;
+            connString.Database = "postgres";
 
-        try
-        {
             await using var conn = new NpgsqlConnection(connString.ConnectionString);
             await conn.OpenAsync();
             result.Connected = true;
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqlServerConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqlServerConnectionStringChecker.cs
index 6b84e69024..b3d0261568 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqlServerConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.SqlServer/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqlServerConnectionStringChecker.cs
@@ -12,16 +12,16 @@ public class SqlServerConnectionStringChecker : IConnectionStringChecker, ITrans
     public virtual async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
     {
         var result = new AbpConnectionStringCheckResult();
-        var connString = new SqlConnectionStringBuilder(connectionString)
+        try
         {
-            ConnectTimeout = 1
-        };
+            var connString = new SqlConnectionStringBuilder(connectionString)
+            {
+                ConnectTimeout = 1
+            };
 
-        var oldDatabaseName = connString.InitialCatalog;
-        connString.InitialCatalog = "master";
+            var oldDatabaseName = connString.InitialCatalog;
+            connString.InitialCatalog = "master";
 
-        try
-        {
             await using var conn = new SqlConnection(connString.ConnectionString);
             await conn.OpenAsync();
             result.Connected = true;
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqliteConnectionStringChecker.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqliteConnectionStringChecker.cs
index 4697f7e0b2..9fc5dcbab7 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqliteConnectionStringChecker.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Sqlite/Volo/Abp/EntityFrameworkCore/ConnectionStrings/SqliteConnectionStringChecker.cs
@@ -12,7 +12,6 @@ public class SqliteConnectionStringChecker : IConnectionStringChecker, ITransien
     public virtual async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
     {
         var result = new AbpConnectionStringCheckResult();
-
         try
         {
             await using var conn = new SqliteConnection(connectionString);