From b619a3923e36d8af3bc886773355b1f9514fc0fd Mon Sep 17 00:00:00 2001
From: xiongjianbo <jianbo.xiong@target-energysolutions.com>
Date: Tue, 6 Jun 2023 16:03:17 +0800
Subject: [PATCH] fix

---
 slice.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/slice.go b/slice.go
index e50077d..ca01b2b 100644
--- a/slice.go
+++ b/slice.go
@@ -210,7 +210,11 @@ func MakeMaps[KeyType KeyTypeDef, ItemType any](slice []ItemType, field string)
 			if index >= 0 {
 				key := v.Field(index).Interface()
 				if convertKey, ok := key.(KeyType); ok {
-					result[convertKey] = append(result[convertKey], elem)
+					if query, queryOk := result[convertKey]; queryOk {
+						result[convertKey] = append(query, elem)
+					} else {
+						result[convertKey] = []ItemType{elem}
+					}
 				}
 			}
 		}