diff --git a/src/Apache.IoTDB/SessionPool.cs b/src/Apache.IoTDB/SessionPool.cs
index bbe2d18..b2bec95 100644
--- a/src/Apache.IoTDB/SessionPool.cs
+++ b/src/Apache.IoTDB/SessionPool.cs
@@ -113,6 +113,20 @@ public SessionPool(List<string> nodeUrls, string username, string password, int
         public async Task<TResult> ExecuteClientOperationAsync<TResult>(AsyncOperation<TResult> operation, string errMsg, bool retryOnFailure = true)
         {
             Client client = _clients.Take();
+            Func<Client, Task<TResult>> executeWithReconnect = async (currentClient) =>
+            {
+                try
+                {
+                    currentClient = await Reconnect(currentClient);
+                    var response = await operation(currentClient);
+                    return response;
+                }
+                catch (TException retryEx)
+                {
+                    throw new TException(errMsg, retryEx);
+                }
+            };
+
             try
             {
                 var resp = await operation(client);
@@ -122,16 +136,18 @@ public async Task<TResult> ExecuteClientOperationAsync<TResult>(AsyncOperation<T
             {
                 if (retryOnFailure)
                 {
-                    try
-                    {
-                        client = await Reconnect(client);
-                        var resp = await operation(client);
-                        return resp;
-                    }
-                    catch (TException retryEx)
-                    {
-                        throw new TException(errMsg, retryEx);
-                    }
+                    return await executeWithReconnect(client);
+                }
+                else
+                {
+                    throw new TException(errMsg, ex);
+                }
+            }
+            catch (Exception ex)
+            {
+                if (retryOnFailure)
+                {
+                    return await executeWithReconnect(client);
                 }
                 else
                 {