diff --git a/NoticeView/WBNoticeView/WBErrorNoticeView.m b/NoticeView/WBNoticeView/WBErrorNoticeView.m
index 3fff5d3..b8d272c 100644
--- a/NoticeView/WBNoticeView/WBErrorNoticeView.m
+++ b/NoticeView/WBNoticeView/WBErrorNoticeView.m
@@ -59,16 +59,21 @@
     r.origin.y = self.titleLabel.frame.origin.y + self.titleLabel.frame.size.height;
     
     float noticeViewHeight = 0.0;
-    // Now we can determine the height of one line of text
-    r.size.height = self.messageLabel.frame.size.height * numberOfLines;
-    r.size.width = viewWidth - 70.0;
-    self.messageLabel.frame = r;
-    
-    // Calculate the notice view height
-    noticeViewHeight = 10.0;
-    if (numberOfLines > 1) {
-        noticeViewHeight += ((numberOfLines - 1) * messageLabelHeight);
-    }   
+    double currOsVersion = [[[UIDevice currentDevice]systemVersion]doubleValue];
+    if (currOsVersion >= 6.0f) {
+        noticeViewHeight = messageLabelHeight;
+    } else {
+        // Now we can determine the height of one line of text
+        r.size.height = self.messageLabel.frame.size.height * numberOfLines;
+        r.size.width = viewWidth - 70.0;
+        self.messageLabel.frame = r;
+        
+        // Calculate the notice view height
+        noticeViewHeight = 10.0;
+        if (numberOfLines > 1) {
+            noticeViewHeight += ((numberOfLines - 1) * messageLabelHeight);
+        }
+    }
     
     // Add some bottom margin for the notice view
     noticeViewHeight += 30.0;