From 9b8deeb07a048fc173b473f8fa04f1bcc51960ce Mon Sep 17 00:00:00 2001
From: Cool Developer <cool199966@outlook.com>
Date: Mon, 21 Oct 2024 07:34:29 -0400
Subject: [PATCH] small enhance

---
 store/v2/commitment/store.go | 2 +-
 store/v2/root/reader.go      | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/store/v2/commitment/store.go b/store/v2/commitment/store.go
index b98094af466b..5b3c7d43fa90 100644
--- a/store/v2/commitment/store.go
+++ b/store/v2/commitment/store.go
@@ -292,7 +292,7 @@ func (c *CommitStore) getReader(storeKey string) (Reader, error) {
 
 	reader, ok := tree.(Reader)
 	if !ok {
-		return nil, errors.New("tree does not implement Reader")
+		return nil, fmt.Errorf("tree for store %s does not implement Reader", storeKey)
 	}
 
 	return reader, nil
diff --git a/store/v2/root/reader.go b/store/v2/root/reader.go
index d558c543a88a..38b1d7f12a5a 100644
--- a/store/v2/root/reader.go
+++ b/store/v2/root/reader.go
@@ -25,8 +25,8 @@ func NewReaderMap(v uint64, vr store.VersionedReader) *ReaderMap {
 	}
 }
 
-func (roa *ReaderMap) GetReader(actor []byte) (corestore.Reader, error) {
-	return NewReader(roa.version, roa.vReader, actor), nil
+func (rm *ReaderMap) GetReader(actor []byte) (corestore.Reader, error) {
+	return NewReader(rm.version, rm.vReader, actor), nil
 }
 
 // Reader represents a read-only adapter for accessing data from the root store.