diff --git a/code/database/ddl.sql b/code/database/ddl.sql
index 6855e24..2496ed3 100644
--- a/code/database/ddl.sql
+++ b/code/database/ddl.sql
@@ -35,7 +35,6 @@ create table T_User(
     sex         char(1),
     age         numeric(2,0),
     phonenumber varchar(11),
-    account     varchar(20) not null,
     password    varchar(20) not null,
     role        varchar(10) not null,
     
diff --git a/code/server/.idea/vcs.xml b/code/server/.idea/vcs.xml
index 94a25f7..fdf1fc8 100644
--- a/code/server/.idea/vcs.xml
+++ b/code/server/.idea/vcs.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
     <mapping directory="$PROJECT_DIR$" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/code/server/src/main/java/com/keafmd/domain/User.java b/code/server/src/main/java/com/keafmd/domain/User.java
index 8833040..9d2c95c 100644
--- a/code/server/src/main/java/com/keafmd/domain/User.java
+++ b/code/server/src/main/java/com/keafmd/domain/User.java
@@ -5,7 +5,6 @@ import java.util.Date;
 public class User {
     private Integer user_id;
     private String user_name;
-    private String user_account;
     private String password;
     private String sex;
     private Integer age;
@@ -26,13 +25,6 @@ public class User {
         this.user_name = user_name;
     }
 
-    public String getUser_account() {
-        return user_account;
-    }
-    public void setUser_account(String user_account) {
-        this.user_account = user_account;
-    }
-
     public String getPassword() {
         return password;
     }
@@ -73,7 +65,6 @@ public class User {
         return "User:{" +
                 "ID=" + user_id +
                 ",name=" + user_name + '\'' +
-                ",account=" + user_account + '\'' +
                 ",password=" + password + '\'' +
                 ",sex=" + sex + '\'' +
                 ",age=" + age + '\'' +