diff --git a/engine/common/message_content_text.h b/engine/common/message_content_text.h
index 5a64a2f80..4401f755d 100644
--- a/engine/common/message_content_text.h
+++ b/engine/common/message_content_text.h
@@ -192,7 +192,7 @@ struct Text : JsonSerializable {
       }
       json["annotations"] = annotations_json_arr;
       return json;
-    } catch (const std::exception e) {
+    } catch (const std::exception & e) {
       return cpp::fail(std::string("ToJson failed: ") + e.what());
     }
   };
diff --git a/engine/utils/hardware/gguf/gguf_file.h b/engine/utils/hardware/gguf/gguf_file.h
index 640c1b49f..7388315ef 100644
--- a/engine/utils/hardware/gguf/gguf_file.h
+++ b/engine/utils/hardware/gguf/gguf_file.h
@@ -25,11 +25,12 @@
 #include "ggml.h"
 #include "utils/logging_utils.h"
 #include "utils/string_utils.h"
-
-// #define GGUF_LOG(msg)                                                  \
-//   do {                                                                 \
-//     std::cout << __FILE__ << "(@" << __LINE__ << "): " << msg << '\n'; \
-//   } while (false)
+/*
+#define GGUF_LOG(msg)                                                  \
+  do {                                                                 \
+    std::cout << __FILE__ << "(@" << __LINE__ << "): " << msg << '\n'; \
+  } while (false)
+*/
 
 #define GGUF_LOG(msg)
 namespace hardware {