diff --git a/src/main/java/com/kimgo/wepush/model/SMSInfo.java b/src/main/java/com/kimgo/wepush/model/SMSInfo.java
index 674f7c9..46dc914 100644
--- a/src/main/java/com/kimgo/wepush/model/SMSInfo.java
+++ b/src/main/java/com/kimgo/wepush/model/SMSInfo.java
@@ -32,8 +32,8 @@ public class SMSInfo {
         String nullString = "null";
         if (this.smsNumber.equals(nullString) || this.smsContent.equals(nullString) || this.smsAcceptanceTime.equals(nullString)){
             logger.info("SMSInfo has null String.");
-            return false;
+            return true;
         }
-        return true;
+        return false;
     }
 }
\ No newline at end of file