diff --git a/Software/Applications/IPerf/IPerf_使用说明.md b/Software/Applications/IPerf/IPerf_使用说明.md
index a7fd85c..bc4eb05 100644
--- a/Software/Applications/IPerf/IPerf_使用说明.md
+++ b/Software/Applications/IPerf/IPerf_使用说明.md
@@ -53,12 +53,13 @@ echo 21299200 > /proc/sys/net/core/rmem_max
 
 ## 基本参数说明
 
-| Options     | Description                                                        |
-|-------------|--------------------------------------------------------------------|
-| -i #        | Server or Client: seconds between periodic bandwidth reports       |
-| -p #        | Server or Client: server port to listen on/connect to              |
-| -s          | Server specific: run in server mode                                |
-| -c \<host\> | Client specific: run in client mode, connecting to \<host\>        |
-| -P #        | Client specific: number of parallel client streams to run          |
-| -t #        | Client specific: time in seconds to transmit for (default 10 secs) |
-| -u          | Client specific: use UDP rather than TCP                           |
+| Options                    | Description                                                        |
+|----------------------------|--------------------------------------------------------------------|
+| -i #                       | Server or Client: seconds between periodic bandwidth reports       |
+| -p #                       | Server or Client: server port to listen on/connect to              |
+| -s                         | Server specific: run in server mode                                |
+| -c \<host\>                | Client specific: run in client mode, connecting to \<host\>        |
+| -P #                       | Client specific: number of parallel client streams to run          |
+| -t #                       | Client specific: time in seconds to transmit for (default 10 secs) |
+| -u                         | Client specific: use UDP rather than TCP                           |
+| -b, --bandwidth #[KMG][/#] | target bandwidth in bits/sec (0 for unlimited, default 1 Mbit/sec for UDP, unlimited for TCP, optional slash and packet count for burst mode) |