日志优化，超长返回结果截取

src/main/java/cn/quantgroup/xyqb/aspect/logcaller/LogCallHttpAspect.java

@@ -56,7 +56,8 @@ public class LogCallHttpAspect {
 		} finally {
 			Stopwatch stop = stopwatch.stop();
 			long elapsed = stop.elapsed(TimeUnit.MILLISECONDS);
-			String resultStr = result == null ? "" : objectMapper.writeValueAsString(result).substring(0, 500);
+			String resultStr = result == null ? "" : objectMapper.writeValueAsString(result);
+			resultStr = resultStr.length() < 500 ? resultStr : resultStr.substring(0, 500);
 			log.info("[httpRequestLog],url:[{}],remoteIP:[{}],args:[{}],duration:[{}],exception:[{}],result:[{}]",
 					request.getRequestURL(), remoteIP, args, elapsed, hasException, resultStr);
 		}