diff --git a/json/swpuBasic.json b/json/swpuBasic.json
index da0bd77112db9c71e747b12bcc9383ae9337b808..ab04551a6fa5c443145e29a1ad2fc78867561af9 100644
--- a/json/swpuBasic.json
+++ b/json/swpuBasic.json
@@ -1,6 +1,6 @@
 {
   "id": "",
-  "userName": "",
+  "username": "",
   "school": "",
   "parentId": "",
   "gender": "",
diff --git a/swpu-spring-projects-boot/src/main/java/com/swpu/dao/SwpuBasicInformationMapper.java b/swpu-spring-projects-boot/src/main/java/com/swpu/dao/SwpuBasicInformationMapper.java
index 02f77395d6ff8ea8ffc4b8700aa8d07ab3f8f79f..df95d9e7909bc37943ee028f6890402692b31b46 100644
--- a/swpu-spring-projects-boot/src/main/java/com/swpu/dao/SwpuBasicInformationMapper.java
+++ b/swpu-spring-projects-boot/src/main/java/com/swpu/dao/SwpuBasicInformationMapper.java
@@ -1,6 +1,7 @@
 package com.swpu.dao;
 
 import com.swpu.entity.SwpuBasicInformation;
+import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
 
@@ -12,6 +13,13 @@ import java.util.List;
  */
 public interface SwpuBasicInformationMapper {
 
+    /**
+     * 根据 ID 查询数据
+     *
+     * @return {@link SwpuBasicInformation}
+     */
+    SwpuBasicInformation findById(@Param("id") String id);
+
     /**
      * 查询所有数据
      *
diff --git a/swpu-spring-projects-boot/src/main/resources/mapper/SwpuBasicInformationMapper.xml b/swpu-spring-projects-boot/src/main/resources/mapper/SwpuBasicInformationMapper.xml
index 5a98254bab113dbf62de853e18d77e2e0c731dc0..bc045f51eef52c5f160b9c60fab3a6d8f7842f1d 100644
--- a/swpu-spring-projects-boot/src/main/resources/mapper/SwpuBasicInformationMapper.xml
+++ b/swpu-spring-projects-boot/src/main/resources/mapper/SwpuBasicInformationMapper.xml
@@ -25,6 +25,18 @@
     school
   </sql>
 
+  <select id="findById" parameterType="java.lang.String" resultMap="BaseResultMap">
+    <!--
+    select 语句操作
+ 作者： Wales-YuThu Jul 22 09:35:41 CST 2021
+    -->
+    select
+    <include refid="Base_Column_List" />
+    from swpu_basic_information sbi
+    where 1 = 1
+        and sbi.id = #{id, javaType = String}
+  </select>
+
   <select id="findAll" parameterType="java.lang.String" resultMap="BaseResultMap">
     <!--
     select 语句操作