From 004ee488a636a4878c7e6860b337a96f1466f58f Mon Sep 17 00:00:00 2001
From: NevS <1173325467@qq.com>
Date: Thu, 23 Sep 2021 14:23:02 +0800
Subject: [PATCH] fix AtomicError panic when Set nil (#1049) (#1050)

---
 core/errorx/atomicerror.go      | 4 +++-
 core/errorx/atomicerror_test.go | 9 +++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/core/errorx/atomicerror.go b/core/errorx/atomicerror.go
index bc52d54c..2a3db80e 100644
--- a/core/errorx/atomicerror.go
+++ b/core/errorx/atomicerror.go
@@ -9,7 +9,9 @@ type AtomicError struct {
 
 // Set sets the error.
 func (ae *AtomicError) Set(err error) {
-	ae.err.Store(err)
+	if err != nil {
+		ae.err.Store(err)
+	}
 }
 
 // Load returns the error.
diff --git a/core/errorx/atomicerror_test.go b/core/errorx/atomicerror_test.go
index d05f8866..10c7b44d 100644
--- a/core/errorx/atomicerror_test.go
+++ b/core/errorx/atomicerror_test.go
@@ -17,6 +17,15 @@ func TestAtomicError(t *testing.T) {
 	assert.Equal(t, errDummy, err.Load())
 }
 
+func TestAtomicErrorSetNil(t *testing.T) {
+	var (
+		errNil error
+		err    AtomicError
+	)
+	err.Set(errNil)
+	assert.Equal(t, errNil, err.Load())
+}
+
 func TestAtomicErrorNil(t *testing.T) {
 	var err AtomicError
 	assert.Nil(t, err.Load())