1 files changed, 6 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/encoder/compiler.go b/vendor/github.com/bytedance/sonic/internal/encoder/compiler.go
index 737dd3e07..eeeb119cc 100644
--- a/vendor/github.com/bytedance/sonic/internal/encoder/compiler.go
+++ b/vendor/github.com/bytedance/sonic/internal/encoder/compiler.go
@@ -287,6 +287,12 @@ func (self *Compiler) compileMapBody(p *ir.Program, sp int, vt reflect.Type) {
 }
 
 func (self *Compiler) compileMapBodyKey(p *ir.Program, vk reflect.Type) {
+	// followed as `encoding/json/emcode.go:resolveKeyName
+	if vk.Kind() == reflect.String {
+		self.compileString(p, vk)
+		return
+	}
+
 	if !vk.Implements(vars.EncodingTextMarshalerType) {
 		self.compileMapBodyTextKey(p, vk)
 	} else {