diff --git a/README.md b/README.md
index bd45980..5c38e81 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ $ go-sniffer en0 mysql
 ## Setup:
 - support : `MacOS` `Linux` `Unix`
 - not support : `windows`
+- If you encounter problems in the `go get` process, try upgrading the go version （如果go get 过程中遇到问题，请尝试升级go版本）
 
 ### Centos
 ``` bash
@@ -36,7 +37,7 @@ $ apt-get install libpcap-dev
 ```
 ### MacOs
 ``` bash
-All is ok
+
 ```
 ### RUN
 ``` bash
diff --git a/plugSrc/mysql/build/entry.go b/plugSrc/mysql/build/entry.go
index 02ecbac..2efae9b 100644
--- a/plugSrc/mysql/build/entry.go
+++ b/plugSrc/mysql/build/entry.go
@@ -218,6 +218,9 @@ func (stm *stream) findStmtPacket(srv chan *packet, seq int) *packet {
 func (stm *stream) resolveServerPacket(payload []byte, seq int) {
 
 	var msg = ""
+	if len(payload) == 0 {
+		return
+	}
 	switch payload[0] {
 
 	case 0xff: