style: remove un necessary new line in log

Author: nidbCN

StreamingCaptureBot.Core/Controllers/BotController.cs

@@ -18,8 +18,8 @@ public async Task<ActionResult> HandleCaptureImageCommand(BotRequest request)
             if (!result || image is null)
             {
                 // 编解码失败
-                logger.LogError("Decode failed, send error message.");
-                response.Message = "杰哥不要！（图像编解码失败）";
+                logger.LogError("Capture failed, send error message.");
+                response.Message = "杰哥不要！（图像获取失败）";
             }
             else
             {
@@ -29,8 +29,8 @@ public async Task<ActionResult> HandleCaptureImageCommand(BotRequest request)
         }
         catch (Exception e)
         {
-            logger.LogError(e, "Failed to decode and encode.");
-            response.Message = "你最好不要说出去，我知道你的学校和班级：\n" + e.Message + e.StackTrace;
+            logger.LogError(e, "Failed to decode or encode.");
+            response.Message = "你最好不要说出去，我知道你的学校和班级（图像编解码崩溃）：\n" + e.Message + e.StackTrace;
         }
         finally
         {

StreamingCaptureBot.Core/Services/CaptureService.cs

@@ -233,7 +233,7 @@ public void DecodeNextFrameUnsafe()
         {
             // 解码失败
             var error = new TaskCanceledException("Decode timeout.");
-            _logger.LogError(error, "Failed to decode.\n");
+            _logger.LogError(error, "Failed to decode.");
 
             throw error;
         }
@@ -314,11 +314,11 @@ private void FlushDecoderBufferUnsafe(CancellationToken cancellationToken)
                 var captureTimeSpan = DateTime.Now - LastCaptureTime;
                 if (LastCapturedImage != null && captureTimeSpan < _streamOption.Value.CacheTimeout)
                 {
-                    _logger.LogInformation("Return image cached {time} ago.", captureTimeSpan);
+                    _logger.LogInformation("Return image cached {time:c} ago.", captureTimeSpan);
                     return (true, LastCapturedImage);
                 }
 
-                _logger.LogInformation("Image cached {time} ago has expired, capture new.", captureTimeSpan);
+                _logger.LogInformation("Image cached {time:c} ago has expired, capture new.", captureTimeSpan);
 
                 OpenInput();