diff --git a/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md b/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md
index 0dfa9d6..1717120 100644
--- a/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md	
+++ b/B. 第二阶段/拓扑练习/0828_BFD和静态路由.md	
@@ -16,7 +16,7 @@
   [AR1-GigabitEthernet0/0/1]quit
   
   [AR1]ip route-static 192.168.2.0 24 192.168.12.2
-  [AR1]ip route-static 192.168.2.0 24 192.168.13.2 preference 100
+  [AR1]ip route-static 192.168.2.0 24 192.168.13.3 preference 100
   ```
 
 - **AR2**
@@ -78,7 +78,7 @@
   [AR1-bfd-session-ntd2407]commit
   [AR1-bfd-session-ntd2407]quit
   
-  [AR1]ip route-static 192.168.2.0 24 192.168.12.2 track bfd ntd2407
+  [AR1]ip route-static 192.168.2.0 24 192.168.12.2 track bfd-session ntd2407
   ```
 
   - *注解：*
@@ -90,7 +90,7 @@
     6. `[AR1-bfd-session-ntd2407]min-tx-interval 10`：设置BFD会话的最小发送间隔为`10`毫秒
     7. `[AR1-bfd-session-ntd2407]min-rx-interval 10`：设置BFD会话的最小接收间隔为`10`毫秒
     8. `[AR1-bfd-session-ntd2407]commit`：提交BFD会话的配置，使其生效
-    9. `ip route-static 192.168.2.0 24 192.168.12.2 track bfd ntd2407`：BFD与静态路由联动
+    9. `ip route-static 192.168.2.0 24 192.168.12.2 track bfd-session ntd2407`：BFD与静态路由联动
 
 - **AR4**
 
@@ -118,35 +118,91 @@
     7. `[AR1-bfd-session-ntd2407]min-rx-interval 10`：设置BFD会话的最小接收间隔为`10`毫秒
     8. `[AR1-bfd-session-ntd2407]commit`：提交BFD会话的配置，使其生效
 
-### 三、功能性测试
+### 三、完备性测试
+
+- **AR1**
+
+  ```
+  [AR1]dis bfd session all
+  --------------------------------------------------------------------------------
+  Local Remote     PeerIpAddr      State     Type        InterfaceName            
+  --------------------------------------------------------------------------------
+  
+  1     4          192.168.24.4    Up        S_IP_PEER         -                  
+  --------------------------------------------------------------------------------
+       Total UP/DOWN Session Number : 1/0
+  ```
+
+- **PC1**
+
+  ```
+  PC>ping 192.168.2.1
+  
+  Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
+  Request timeout!
+  Request timeout!
+  Request timeout!
+  From 192.168.2.1: bytes=32 seq=4 ttl=125 time=32 ms
+  From 192.168.2.1: bytes=32 seq=5 ttl=125 time=15 ms
+  
+  --- 192.168.2.1 ping statistics ---
+    5 packet(s) transmitted
+    2 packet(s) received
+    60.00% packet loss
+    round-trip min/avg/max = 0/23/32 ms
+  ```
+
+### 四、功能性测试
 
 - **断连测试**
 
   ![image-20240828153740948](https://picgo-noriu.oss-cn-beijing.aliyuncs.com/Images/image-20240828153740948.png)
 
-  - 查看BFD信息
+  - **AR1**
 
-    ```
-    [AR1]dis bfd session all
-    --------------------------------------------------------------------------------
-    Local Remote     PeerIpAddr      State     Type        InterfaceName            
-    --------------------------------------------------------------------------------
-    
-    1     4          192.168.24.4    Down      S_IP_PEER         -                  
-    --------------------------------------------------------------------------------
-         Total UP/DOWN Session Number : 0/1
-    ```
+    - 查看BFD信息
 
-  - PING
+      ```
+      [AR1]dis bfd session all
+      --------------------------------------------------------------------------------
+      Local Remote     PeerIpAddr      State     Type        InterfaceName            
+      --------------------------------------------------------------------------------
+      
+      1     4          192.168.24.4    Down      S_IP_PEER         -                  
+      --------------------------------------------------------------------------------
+           Total UP/DOWN Session Number : 0/1
+      ```
 
-    ```
-    
-    ```
+  - **PC1**
 
-  - Tracert
+    - PING
 
-    ```
-    
-    ```
+      ```
+      PC>ping 192.168.2.1
+      
+      Ping 192.168.2.1: 32 data bytes, Press Ctrl_C to break
+      Request timeout!
+      From 192.168.2.1: bytes=32 seq=2 ttl=125 time=31 ms
+      From 192.168.2.1: bytes=32 seq=3 ttl=125 time=16 ms
+      From 192.168.2.1: bytes=32 seq=4 ttl=125 time=47 ms
+      From 192.168.2.1: bytes=32 seq=5 ttl=125 time=16 ms
+      
+      --- 192.168.2.1 ping statistics ---
+        5 packet(s) transmitted
+        4 packet(s) received
+        20.00% packet loss
+        round-trip min/avg/max = 0/27/47 ms
+      ```
 
-    
\ No newline at end of file
+    - Tracert
+
+      ```
+      PC>tracert 192.168.2.1
+      
+      traceroute to 192.168.2.1, 8 hops max
+      (ICMP), press Ctrl+C to stop
+       1  192.168.1.254   16 ms  15 ms  16 ms
+       2  192.168.13.3   16 ms  15 ms  16 ms
+       3  192.168.34.4   16 ms  31 ms  15 ms
+       4  192.168.2.1   16 ms  31 ms  16 ms
+      ```
\ No newline at end of file