diff --git a/src/main/java/com/mixi/common/tasks/MiTuExportScheduledTask.java b/src/main/java/com/mixi/common/tasks/MiTuExportScheduledTask.java
index c1127c5..55d7e67 100644
--- a/src/main/java/com/mixi/common/tasks/MiTuExportScheduledTask.java
+++ b/src/main/java/com/mixi/common/tasks/MiTuExportScheduledTask.java
@@ -1841,13 +1841,7 @@ public class MiTuExportScheduledTask {
                 }
 
                 // Check if "join_date" is not NULL
-                Date joinDate = rs.getDate("join_date");
-                if (joinDate != null) {
-                    member.setJoinDate(joinDate.toLocalDate());
-                } else {
-                    // Handle NULL value for "join_date"
-                }
-
+                member.setJoinDate(rs.getDate("join_date").toLocalDate());
                 member.setMbrIssue(rs.getString("mbr_issue"));
                 member.setBirthMonth(rs.getInt("birth_m"));