diff --git a/internal/crosscompile/compile/libc/libc_test.go b/internal/crosscompile/compile/libc/libc_test.go
index 7b79675b..9a994ef3 100644
--- a/internal/crosscompile/compile/libc/libc_test.go
+++ b/internal/crosscompile/compile/libc/libc_test.go
@@ -325,7 +325,7 @@ func TestGetNewlibESP32ConfigRISCV(t *testing.T) {
 	} else {
 		for i, expected := range expectedCFlags {
 			if config.ExportCFlags[i] != expected {
-				t.Errorf("LibcCFlags[%d] mismatch. Expected '%s', got '%s'", i, expected, config.ExportCFlags[i])
+				t.Errorf("ExportCFlags[%d] mismatch. Expected '%s', got '%s'", i, expected, config.ExportCFlags[i])
 			}
 		}
 	}
@@ -458,7 +458,7 @@ func TestGetNewlibESP32ConfigXtensa(t *testing.T) {
 	} else {
 		for i, expected := range expectedCFlags {
 			if config.ExportCFlags[i] != expected {
-				t.Errorf("LibcCFlags[%d] mismatch. Expected '%s', got '%s'", i, expected, config.ExportCFlags[i])
+				t.Errorf("ExportCFlags[%d] mismatch. Expected '%s', got '%s'", i, expected, config.ExportCFlags[i])
 			}
 		}
 	}
diff --git a/internal/crosscompile/compile/rtlib/rt_test.go b/internal/crosscompile/compile/rtlib/rt_test.go
index 427ecd5b..6e7d1541 100644
--- a/internal/crosscompile/compile/rtlib/rt_test.go
+++ b/internal/crosscompile/compile/rtlib/rt_test.go
@@ -5,7 +5,7 @@ import (
 	"testing"
 )
 
-func TestGetNewlibESP32Config_LibConfig(t *testing.T) {
+func TestGetCompilerRTConfig_LibConfig(t *testing.T) {
 	config := GetCompilerRTConfig()
 
 	// Test basic configuration fields
diff --git a/internal/crosscompile/libc.go b/internal/crosscompile/libc.go
index b7feefc3..c19eeab9 100644
--- a/internal/crosscompile/libc.go
+++ b/internal/crosscompile/libc.go
@@ -13,7 +13,7 @@ import (
 var needSkipDownload = false
 
 // getLibcCompileConfigByName retrieves libc compilation configuration by name
-// Returns compilation file lists and corresponding cflags
+// Returns the actual libc output dir, compilation config and err
 func getLibcCompileConfigByName(baseDir, libcName, target, mcpu string) (outputDir string, cfg compile.CompileConfig, err error) {
 	if libcName == "" {
 		err = fmt.Errorf("libc name cannot be empty")
@@ -48,7 +48,7 @@ func getLibcCompileConfigByName(baseDir, libcName, target, mcpu string) (outputD
 }
 
 // getRTCompileConfigByName retrieves runtime library compilation configuration by name
-// Returns compilation file lists and corresponding flags for the specified runtime library
+// Returns the actual libc output dir, compilation config and err
 func getRTCompileConfigByName(baseDir, rtName, target string) (outputDir string, cfg compile.CompileConfig, err error) {
 	if rtName == "" {
 		err = fmt.Errorf("rt name cannot be empty")