diff --git a/coolstore-partner-common/src/main/java/com/cool/store/utils/StringUtil.java b/coolstore-partner-common/src/main/java/com/cool/store/utils/StringUtil.java
index 155aa40c2..83afe2308 100644
--- a/coolstore-partner-common/src/main/java/com/cool/store/utils/StringUtil.java
+++ b/coolstore-partner-common/src/main/java/com/cool/store/utils/StringUtil.java
@@ -12,6 +12,8 @@ import java.util.Map;
 import java.util.concurrent.ThreadLocalRandom;
 import java.util.regex.Pattern;
 
+import static com.cool.store.utils.CoolDateUtils.DATE_FORMAT_SEC;
+
 /**
  * @author zhangchenbiao
  * @FileName: AesUtil
@@ -256,7 +258,9 @@ public class StringUtil extends org.apache.commons.lang3.StringUtils {
      */
     public static String generateRoomId(String dateTime) {
         //YYYY-MM-DD HH:mm:ss 转换成yyyyMMddHHmmss
-        String format = DateUtil.format(DateUtil.parse(dateTime, "YYYY-MM-dd HH:mm:ss"), "YYMMDD");
+        //使用 YYMMDD 是错误的
+        //String format = DateUtil.format(DateUtil.parse(dateTime, "YYYY-MM-dd HH:mm:ss"), "YYMMDD");
+        String format = DateUtil.format(DateUtil.parse(dateTime, DATE_FORMAT_SEC), "yyMMdd");
         String numbers = RandomUtil.randomNumbers(4);
         return format + numbers;
     }