diff --git a/pom.xml b/pom.xml
index 70e40c0..bdce534 100644
--- a/pom.xml
+++ b/pom.xml
@@ -121,6 +121,13 @@
             <version>2.4.2</version>
         </dependency>
 
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+            <version>8.0.16</version>
+        </dependency>
+
     </dependencies>
 
     <build>
diff --git a/src/main/java/top/fjy8018/designpattern/pattern/structural/bridge/Account.java b/src/main/java/top/fjy8018/designpattern/pattern/structural/bridge/Account.java
index e762acd..5a72d44 100644
--- a/src/main/java/top/fjy8018/designpattern/pattern/structural/bridge/Account.java
+++ b/src/main/java/top/fjy8018/designpattern/pattern/structural/bridge/Account.java
@@ -1,7 +1,19 @@
 package top.fjy8018.designpattern.pattern.structural.bridge;
 
+import java.sql.Driver;
+import java.sql.DriverManager;
+
 /**
  * 银行账号——行为接口
+ * <p>
+ * JDBC 为操作不同的数据库提供了同一个{@link java.sql.Connection} 连接
+ * 由MySQL或Oracle连接驱动实现相关接口操作数据库
+ * <p>
+ * {@link java.sql.Driver}
+ * {@link DriverManager} 中的 {@link java.sql.DriverInfo}
+ * 实现对 {@link java.sql.Driver} 的具体封装
+ * <p>
+ * JDBC 实现的 {@link com.mysql.cj.jdbc.Driver} 初始化时调 {@link DriverManager#registerDriver(Driver)}
  *
  * @author F嘉阳
  * @date 2020/2/29 9:55