diff --git a/base/models.py b/base/models.py
index 6fd73b9..737a203 100644
--- a/base/models.py
+++ b/base/models.py
@@ -94,7 +94,7 @@ class Drilling(models.Model):
     section = models.ForeignKey(Section, blank=True, null=True)
 
     def __unicode__(self):
-        return self.name
+        return self.code
 
     class Meta:
         verbose_name_plural = u'钻孔'