From d0f2928cecaf2dc3e3edc58b4652acc87cb34d5d Mon Sep 17 00:00:00 2001
From: John Guo <john@johng.cn>
Date: Mon, 11 Apr 2022 20:43:32 +0800
Subject: [PATCH] fix issue of nil pointer in package internal/utils

---
 internal/utils/utils_is.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/internal/utils/utils_is.go b/internal/utils/utils_is.go
index a46ddb7c1..d90f9215e 100644
--- a/internal/utils/utils_is.go
+++ b/internal/utils/utils_is.go
@@ -83,10 +83,11 @@ func IsMap(value interface{}) bool {
 
 // IsStruct checks whether `value` is type of struct.
 func IsStruct(value interface{}) bool {
-	var (
-		reflectType = reflect.TypeOf(value)
-		reflectKind = reflectType.Kind()
-	)
+	var reflectType = reflect.TypeOf(value)
+	if reflectType == nil {
+		return false
+	}
+	var reflectKind = reflectType.Kind()
 	for reflectKind == reflect.Ptr {
 		reflectType = reflectType.Elem()
 		reflectKind = reflectType.Kind()