diff --git a/CHANGELOG.md b/CHANGELOG.md
index a749b7be..4e11a696 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@
 - [Fix 5079: Split signalChan into flushChan and closeChan](https://github.com/beego/beego/pull/5139)
 - [Fix 5172: protect field access with lock to avoid possible data race](https://github.com/beego/beego/pull/5210)
 - [cache: fix typo and optimize the naming]()
+- [Fix 5176: beegoAppConfig String and Strings function has bug](https://github.com/beego/beego/pull/5211)
 
 # v2.0.7
 - [Upgrade github.com/go-kit/kit, CVE-2022-24450](https://github.com/beego/beego/pull/5121)
diff --git a/adapter/config.go b/adapter/config.go
index 36e0a9c4..f05369d2 100644
--- a/adapter/config.go
+++ b/adapter/config.go
@@ -87,7 +87,7 @@ func (b *beegoAppConfig) String(key string) string {
 }
 
 func (b *beegoAppConfig) Strings(key string) []string {
-	if v, err := b.innerConfig.Strings(BConfig.RunMode + "::" + key); len(v) > 0 && err != nil {
+	if v, err := b.innerConfig.Strings(BConfig.RunMode + "::" + key); len(v) > 0 && err == nil {
 		return v
 	}
 	res, _ := b.innerConfig.Strings(key)