diff --git a/proxy/vmess/command/accounts_fuzz.go b/proxy/vmess/command/accounts_fuzz.go
new file mode 100644
index 00000000..4e1c3311
--- /dev/null
+++ b/proxy/vmess/command/accounts_fuzz.go
@@ -0,0 +1,11 @@
+// +build gofuzz
+
+package command
+
+func Fuzz(data []byte) int {
+	cmd := new(SwitchAccount)
+	if err := cmd.Unmarshal(data); err != nil {
+		return 0
+	}
+	return 1
+}