diff --git a/logging/src/main/java/org/apache/rocketmq/logging/inner/LoggingBuilder.java b/logging/src/main/java/org/apache/rocketmq/logging/inner/LoggingBuilder.java
index 469cb52b290f22b25016373aaa09ce3114c4d3ed..f457a69567626f3a8c9b4e852e877976b07d9a13 100644
--- a/logging/src/main/java/org/apache/rocketmq/logging/inner/LoggingBuilder.java
+++ b/logging/src/main/java/org/apache/rocketmq/logging/inner/LoggingBuilder.java
@@ -966,7 +966,7 @@ public class LoggingBuilder {
                     rollingCalendar.setType(i);
                     Date next = new Date(rollingCalendar.getNextCheckMillis(epoch));
                     String r1 = simpleDateFormat.format(next);
-                    if (r0.equals(r1)) {
+                    if (r0 != null && r1 != null && !r0.equals(r1)) {
                         return i;
                     }
                 }