log trace

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/web/ControllerAspect.java

@@ -30,7 +30,12 @@ public class ControllerAspect {
         log.info("request className=[{}], method=[{}], param=[{}]", className, signature.getName(),
                 JSONUtils.toJson(pjp.getArgs()));
         Object result = pjp.proceed();
-        log.info("response result=[{}] cost=[{}]", JSONUtils.toJson(result), stopwatch.stop().elapsed(TimeUnit.MILLISECONDS));
+        if (result != null && result instanceof String) {
+            log.info("response result=[{}] cost=[{}]", result, stopwatch.stop().elapsed(TimeUnit.MILLISECONDS));
+        } else {
+            log.info("response result=[{}] cost=[{}]", JSONUtils.toJson(result), stopwatch.stop().elapsed(TimeUnit.MILLISECONDS));
+        }
+
         TraceUtils.removeMDC();
         return result;
     }