diff --git a/Learn.Archives.API/Controllers/StudentController.cs b/Learn.Archives.API/Controllers/StudentController.cs
index 616ffb8..7ff87b2 100644
--- a/Learn.Archives.API/Controllers/StudentController.cs
+++ b/Learn.Archives.API/Controllers/StudentController.cs
@@ -424,14 +424,18 @@ namespace Learn.Archives.API.Controllers
                         var subjectArr = row.高考选科.Split("，")
                              .Select(s => s.ToEnum<SubjectEnum>())
                              .ToArray();
-                        userCenterUpdate.Add(new User
+                        var upUser = new User
                         {
                             Id = uid,
                             Phone = row.Phone,
-                            GLSubject = (int?)subjectArr[0],
-                            GSubject1 = (int?)subjectArr[1],
-                            GSubject2 = (int?)subjectArr[2],
-                        });
+                        };
+                        if (subjectArr.Length > 0)
+                            upUser.GLSubject = (int?)subjectArr[0];
+                        if (subjectArr.Length > 1)
+                            upUser.GSubject1 = (int?)subjectArr[1];
+                        if (subjectArr.Length > 2)
+                            upUser.GSubject2 = (int?)subjectArr[2];
+                        userCenterUpdate.Add(upUser);
                     }
                 }