diff --git a/src/main/java/com/example/cosmos_serversb/models/Users.java b/src/main/java/com/example/cosmos_serversb/models/Users.java
index ea79570..a2d4b8a 100644
--- a/src/main/java/com/example/cosmos_serversb/models/Users.java
+++ b/src/main/java/com/example/cosmos_serversb/models/Users.java
@@ -129,7 +129,8 @@
                 return findUser;
             }
         }
-        throw  new WebApplicationException(404);
+        //例外処理
+        return null;
     }
 
     public static User getUserByToken(String token) {
@@ -159,7 +160,8 @@
             Token testtoken = getInstance().createToken(uId);
             return testtoken;//testToken
         }else{
-            throw  new WebApplicationException(401);
+            //例外処理
+            return null;
         }
     }
 
@@ -182,7 +184,8 @@
                 }
             }
         }
-        throw  new WebApplicationException(400);
+        //例外処理
+        return null;
     }
 
     public static boolean checkToken(String uId, String token) {