fix

netflix-web/src/main/java/com/cyksj/web/controller/cps/CpsPopularizeController.java

@@ -83,7 +83,7 @@ public class CpsPopularizeController {
 		long cpsUserId = StpCpsManageUser.getLoginIdAsLong();
 		MapBuilder builder = MapUtils.flatBuilder(request.getParameterMap());
 		builder.put("userId", String.format("and user_id = %s", cpsUserId));
-		String time = null;
+		String time = StrUtil.EMPTY;
 		if (startTime != null) {
 			time += String.format(" and od.created_time >= '%s'", startTime);
 		}