diff --git a/parse_curl.go b/parse_curl.go
index 018b848..eba65df 100644
--- a/parse_curl.go
+++ b/parse_curl.go
@@ -102,6 +102,10 @@ func ParseRawCURL(scurl string) (cURL *CURL) {
 	executor := newPQueueExecute()
 	curl := New()
 
+	if len(scurl) <= 4 {
+		panic("scurl error:" + scurl)
+	}
+
 	if scurl[0] == '"' && scurl[len(scurl)-1] == '"' {
 		scurl = strings.Trim(scurl, `"`)
 	} else if scurl[0] == '\'' && scurl[len(scurl)-1] == '\'' {