diff --git a/commonLibs/livoxProto1/protocol.cpp b/commonLibs/livoxProto1/protocol.cpp
index 3f10d59..b48eef7 100644
--- a/commonLibs/livoxProto1/protocol.cpp
+++ b/commonLibs/livoxProto1/protocol.cpp
@@ -63,12 +63,16 @@ bool Header::validateCrc16() const
 	// Calculate CRC16 for the header excluding the crc_16 field itself
 	uint16_t calculatedCrc = calculateCrc16();
 
-	// Debug output
-	std::cout << "CRC16 Debug: calculated=0x" << std::hex << calculatedCrc
-		<< ", received=0x" << crc_16 << std::dec << std::endl;
-
 	// Compare with the CRC in the header
-	return calculatedCrc == crc_16;
+	bool isValid = (calculatedCrc == crc_16);
+
+	// Debug output only if validation fails
+	if (!isValid) {
+		std::cout << "CRC16 Debug: calculated=0x" << std::hex << calculatedCrc
+			<< ", received=0x" << crc_16 << std::dec << std::endl;
+	}
+
+	return isValid;
 }
 
 void Header::setCrc16FromRawBytes()
@@ -167,12 +171,16 @@ bool BroadcastMessage::validateCrc32() const
 
 	calculatedCrc = comms::calculateCrc32(messageData, messageSize);
 
-	// Debug output
-	std::cout << "BroadcastMessage CRC32 Debug: calculated=0x" << std::hex << calculatedCrc 
-		<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
+	// Compare with the CRC in the footer
+	bool isValid = (calculatedCrc == footer.crc_32);
 
-		// Compare with the CRC in the footer
-	return calculatedCrc == footer.crc_32;
+	// Debug output only if validation fails
+	if (!isValid) {
+		std::cout << "BroadcastMessage CRC32 Debug: calculated=0x" << std::hex << calculatedCrc
+			<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
+	}
+
+	return isValid;
 }
 
 // HandshakeRequest methods
@@ -284,12 +292,16 @@ bool HandshakeResponse::validateCrc32() const
 	size_t messageSize = sizeof(HandshakeResponse) - sizeof(footer.crc_32);
 	uint32_t calculatedCrc = comms::calculateCrc32(messageData, messageSize);
 
-	// Debug output
-	std::cout << "HandshakeResponse CRC32 Debug: calculated=0x" << std::hex << calculatedCrc
-		<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
-
 	// Compare with the CRC in the footer
-	return calculatedCrc == footer.crc_32;
+	bool isValid = (calculatedCrc == footer.crc_32);
+
+	// Debug output only if validation fails
+	if (!isValid) {
+		std::cout << "HandshakeResponse CRC32 Debug: calculated=0x" << std::hex << calculatedCrc
+			<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
+	}
+
+	return isValid;
 }
 
 // Standalone CRC16 calculation utility
@@ -614,12 +626,16 @@ bool HeartbeatMessage::validateCrc32() const
 	// Use the calculateCrc32 method to avoid code duplication
 	uint32_t calculatedCrc = calculateCrc32();
 
-	// Debug output
-	std::cout << "HeartbeatMessage CRC32 Debug: calculated=0x" << std::hex << calculatedCrc
-		<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
-
 	// Compare with the CRC in the footer
-	return calculatedCrc == footer.crc_32;
+	bool isValid = (calculatedCrc == footer.crc_32);
+
+	// Debug output only if validation fails
+	if (!isValid) {
+		std::cout << "HeartbeatMessage CRC32 Debug: calculated=0x" << std::hex << calculatedCrc
+			<< ", received=0x" << footer.crc_32 << std::dec << std::endl;
+	}
+
+	return isValid;
 }
 
 } // namespace comms