diff --git a/EnvelopeGenerator.Web/Controllers/ReadOnlyController.cs b/EnvelopeGenerator.Web/Controllers/ReadOnlyController.cs
index c58b24f3..de31351b 100644
--- a/EnvelopeGenerator.Web/Controllers/ReadOnlyController.cs
+++ b/EnvelopeGenerator.Web/Controllers/ReadOnlyController.cs
@@ -37,71 +37,63 @@ namespace EnvelopeGenerator.Web.Controllers
         [Obsolete("Use MediatR")]
         public async Task<IActionResult> CreateAsync([FromBody] EnvelopeReceiverReadOnlyCreateDto createDto)
         {
-            try
+            //set AddedWho
+            var authReceiverMail = this.GetAuthReceiverMail();
+            if (authReceiverMail is null)
             {
-                //set AddedWho
-                var authReceiverMail = this.GetAuthReceiverMail();
-                if (authReceiverMail is null)
-                {
-                    _logger.LogError("EmailAddress clam is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
-                    return Unauthorized();
-                }
-
-                var envelopeId = this.GetAuthEnvelopeId();
-                if (envelopeId is null)
-                {
-                    _logger.LogError("Envelope Id clam is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
-                    return Unauthorized();
-                }
-
-                createDto.AddedWho = authReceiverMail;
-                createDto.EnvelopeId = envelopeId;
-
-                // create entity
-                var creation_res = await _erroService.CreateAsync(createDto: createDto);
-
-                if (creation_res.IsFailed)
-                {
-                    _logger.LogNotice(creation_res);
-                    return StatusCode(StatusCodes.Status500InternalServerError);
-                }
-
-                //read new entity
-                var read_res = await _erroService.ReadByIdAsync(creation_res.Data.Id);
-                if (read_res.IsFailed)
-                {
-                    _logger.LogNotice(creation_res);
-                    return StatusCode(StatusCodes.Status500InternalServerError);
-                }
-
-                var new_erro = read_res.Data;
-
-                //send email two receiver
-                return await _mailService.SendAsync(new_erro).ThenAsync<int, IActionResult>(SuccessAsync: async res =>
-                {
-                    //TODO: implement multi-threading to history process (Task)
-                    //TODO: remove casting after change the id type
-                    var hist_res = await _histService.RecordAsync((int)createDto.EnvelopeId, createDto.AddedWho, EnvelopeStatus.EnvelopeShared);
-                    if (hist_res.IsFailed)
-                    {
-                        _logger.LogError("Although the envelope was sent as read-only, the EnvelopeShared hisotry could not be saved. Create DTO:\n{createDto}", JsonConvert.SerializeObject(createDto));
-                        _logger.LogNotice(hist_res.Notices);
-                    }
-
-                    return Ok();
-                },
-
-                Fail: (msg, ntc) =>
-                {
-                    _logger.LogNotice(ntc);
-                    return StatusCode(StatusCodes.Status500InternalServerError);
-                });
+                _logger.LogError("EmailAddress clam is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
+                return Unauthorized();
             }
-            catch(Exception ex)
+
+            var envelopeId = this.GetAuthEnvelopeId();
+            if (envelopeId is null)
             {
-                _logger.LogError(ex, "{Message}", ex.Message);
+                _logger.LogError("Envelope Id clam is not found in envelope-receiver-read-only creation process. Create DTO is:\n {dto}", JsonConvert.SerializeObject(createDto));
+                return Unauthorized();
+            }
+
+            createDto.AddedWho = authReceiverMail;
+            createDto.EnvelopeId = envelopeId;
+
+            // create entity
+            var creation_res = await _erroService.CreateAsync(createDto: createDto);
+
+            if (creation_res.IsFailed)
+            {
+                _logger.LogNotice(creation_res);
                 return StatusCode(StatusCodes.Status500InternalServerError);
             }
+
+            //read new entity
+            var read_res = await _erroService.ReadByIdAsync(creation_res.Data.Id);
+            if (read_res.IsFailed)
+            {
+                _logger.LogNotice(creation_res);
+                return StatusCode(StatusCodes.Status500InternalServerError);
+            }
+
+            var new_erro = read_res.Data;
+
+            //send email two receiver
+            return await _mailService.SendAsync(new_erro).ThenAsync<int, IActionResult>(SuccessAsync: async res =>
+            {
+                //TODO: implement multi-threading to history process (Task)
+                //TODO: remove casting after change the id type
+                var hist_res = await _histService.RecordAsync((int)createDto.EnvelopeId, createDto.AddedWho, EnvelopeStatus.EnvelopeShared);
+                if (hist_res.IsFailed)
+                {
+                    _logger.LogError("Although the envelope was sent as read-only, the EnvelopeShared hisotry could not be saved. Create DTO:\n{createDto}", JsonConvert.SerializeObject(createDto));
+                    _logger.LogNotice(hist_res.Notices);
+                }
+
+                return Ok();
+            },
+
+            Fail: (msg, ntc) =>
+            {
+                _logger.LogNotice(ntc);
+                return StatusCode(StatusCodes.Status500InternalServerError);
+            });
         }
     }
 }
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