From 4d4a20a0788b18ad43216bce89735203222be442 Mon Sep 17 00:00:00 2001
From: Lin-1997 <1204878199@qq.com>
Date: Wed, 22 Nov 2023 18:07:56 +0800
Subject: [PATCH] fix: nil pointer dereference on item (#1290)

---
 plugin/statis/base/cachecall.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugin/statis/base/cachecall.go b/plugin/statis/base/cachecall.go
index 9c9cd08af..225faa878 100644
--- a/plugin/statis/base/cachecall.go
+++ b/plugin/statis/base/cachecall.go
@@ -62,12 +62,12 @@ func (c *CacheStatics) Add(ac metrics.CallMetric) {
 	index := fmt.Sprintf("%v", ac.Protocol)
 	item, exist := c.statis[index]
 	if !exist {
-		c.statis[index] = &CacheCallStatisItem{
+		item = &CacheCallStatisItem{
 			cacheType: ac.Protocol,
 		}
+		c.statis[index] = item
 	}
 
-	item = c.statis[index]
 	if ac.Success {
 		item.hitCount += int64(ac.Times)
 	} else {