请求日志: 响应结构体末尾不再多加换行

src/middlewares/SimApiRequestLogMiddleware.cj

@@ -101,13 +101,15 @@ public class SimApiRequestLogMiddleware <: IMiddleware {
             } else {
                 responseBody
             }
-            sb.append(display)
-            if (!display.endsWith("\n")) {
-                sb.append("\n")
+            // 去掉响应体末尾换行：结构体最后不多加换行（logger 收尾会补一个换行）
+            var text = display
+            while (text.endsWith("\n")) {
+                text = text[0..text.size - 1]
             }
+            sb.append(text)
         }
         if (let Some(ex) <- exception) {
-            sb.append("Exception: ${ex.toString()}\n")
+            sb.append("\nException: ${ex.toString()}\n")
         }
 
         _logger.info(sbHead.toString() + sb.toString())