diff --git a/src/Data/Masa.Utils.Data.EntityFrameworkCore/DefaultConnectionStringProvider.cs b/src/Data/Masa.Utils.Data.EntityFrameworkCore/DefaultConnectionStringProvider.cs
index 22d080b..9650c12 100644
--- a/src/Data/Masa.Utils.Data.EntityFrameworkCore/DefaultConnectionStringProvider.cs
+++ b/src/Data/Masa.Utils.Data.EntityFrameworkCore/DefaultConnectionStringProvider.cs
@@ -2,11 +2,11 @@
 
 public class DefaultConnectionStringProvider : IConnectionStringProvider
 {
-    private readonly IOptionsSnapshot<MasaDbConnectionOptions> _options;
+    private readonly IOptionsMonitor<MasaDbConnectionOptions> _options;
 
-    public DefaultConnectionStringProvider(IOptionsSnapshot<MasaDbConnectionOptions> options) => _options = options;
+    public DefaultConnectionStringProvider(IOptionsMonitor<MasaDbConnectionOptions> options) => _options = options;
 
     public Task<string> GetConnectionStringAsync() => Task.FromResult(GetConnectionString());
 
-    public string GetConnectionString() => _options.Value.DefaultConnection;
+    public string GetConnectionString() => _options.CurrentValue.DefaultConnection;
 }