NPE

src/main/java/cn/quantgroup/xyqb/model/ContactRet.java

@@ -9,6 +9,7 @@ import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * Created by Miraculous on 2017/2/14.
@@ -36,8 +37,12 @@ public class ContactRet implements Serializable {
         ret.setName(c.getName());
         ret.setPhoneNo(c.getPhoneNo());
         ret.setRelation(c.getRelation());
-        ret.setCreatedAt(c.getCreatedAt().getTime());
-        ret.setUpdateAt(c.getUpdateAt().getTime());
+        if(Objects.nonNull(c.getCreatedAt())){
+            ret.setCreatedAt(c.getCreatedAt().getTime());
+        }
+        if(Objects.nonNull(c.getUpdateAt())) {
+            ret.setUpdateAt(c.getUpdateAt().getTime());
+        }
         return ret;
     }