diff --git a/Port/vc2022/V2GDecoder.c b/Port/vc2022/V2GDecoder.c
index c4d3af2..826908d 100644
--- a/Port/vc2022/V2GDecoder.c
+++ b/Port/vc2022/V2GDecoder.c
@@ -831,7 +831,7 @@ void dump_iso1_document_to_file(const struct iso1EXIDocument* doc, const char* f
     }
     
     fclose(fp);
-    printf("✓ Structure dump saved to %s\n", filename);
+    DEBUG_PRINTF(("✓ Structure dump saved to %s\n", filename));
 }
 
 // Helper function to convert hex string to binary
@@ -1146,7 +1146,7 @@ void print_iso1_message(struct iso1EXIDocument* doc) {
 }
 
 int main(int argc, char *argv[]) {
-    printf("DEBUG: argc=%d\n", argc);
+    DEBUG_PRINTF(("DEBUG: argc=%d\n", argc));
     int xml_mode = 0;
     int encode_mode = 0;
     char *filename = NULL;
@@ -1179,16 +1179,17 @@ int main(int argc, char *argv[]) {
         encode_mode = 1;
         filename = argv[arg_index + 1];
     } else {
-        printf("Usage: %s [-debug] [-decode|-encode] input_file\\n", argv[0]);
-        printf("       %s [-debug] -encode          (read XML from stdin)\\n", argv[0]);
-        printf("       %s [-debug] -decode          (read hex string from stdin)\\n", argv[0]);
+        printf("Usage: V2GDecoder [-debug] [-decode|-encode] input_file\\n");
+        printf("       V2GDecoder [-debug] -encode          (read XML from stdin)\\n");
+        printf("       V2GDecoder [-debug] -decode          (read hex string from stdin)\\n");
         printf("Enhanced EXI viewer with XML conversion capabilities\\n");
         printf("  -debug       Enable detailed bit-level encoding/decoding output\\n");
         printf("  -decode      Convert EXI to Wireshark-style XML format\\n");
-        printf("  -decode      Read hex string from stdin (echo hex | %s -decode)\\n", argv[0]);
+        printf("  -decode      Read hex string from stdin (echo hex | V2GDecoder -decode)\\n");
         printf("  -encode      Convert XML to EXI format\\n");
-        printf("  -encode      Read XML from stdin (type file.xml | %s -encode)\\n", argv[0]);
+        printf("  -encode      Read XML from stdin (type file.xml | V2GDecoder -encode)\\n");
         printf("  (default)    Analyze EXI with detailed output\\n");
+        printf("\\nContact: tindevil82@gmail.com\\n");
         return -1;
     }
     
@@ -1208,7 +1209,7 @@ int main(int argc, char *argv[]) {
     
     // Handle encode mode (XML to EXI)
     if (encode_mode) {
-        fprintf(stderr, "DEBUG: Entering encode mode\n");
+        DEBUG_PRINTF(("DEBUG: Entering encode mode\n"));
         FILE* xml_file;
         char* xml_content;
         long xml_size;
@@ -1266,9 +1267,9 @@ int main(int argc, char *argv[]) {
         }
         
         // Parse XML to ISO1 document structure
-        fprintf(stderr, "DEBUG: About to parse XML content\n");
+        DEBUG_PRINTF(("DEBUG: About to parse XML content\n"));
         int parse_result = parse_xml_to_iso1(xml_content, &iso1Doc);
-        fprintf(stderr, "DEBUG: XML parse result: %d\n", parse_result);
+        DEBUG_PRINTF(("DEBUG: XML parse result: %d\n", parse_result));
         if (parse_result != 0) {
             printf("Error parsing XML file - no supported message type found\\n");
             free(xml_content);
@@ -1284,17 +1285,17 @@ int main(int argc, char *argv[]) {
         // Debug output disabled for clean hex-only output
         
         if (iso1Doc.V2G_Message.Body.CurrentDemandReq_isUsed) {
-            fprintf(stderr, "EVReady: %s\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVReady ? "true" : "false");
-            fprintf(stderr, "EVErrorCode: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVErrorCode);
-            fprintf(stderr, "EVRESSSOC: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVRESSSOC);
-            fprintf(stderr, "EVTargetCurrent: M=%d, U=%d, V=%d\\n", 
+            DEBUG_PRINTF(("EVReady: %s\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVReady ? "true" : "false"));
+            DEBUG_PRINTF(("EVErrorCode: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVErrorCode));
+            DEBUG_PRINTF(("EVRESSSOC: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVRESSSOC));
+            DEBUG_PRINTF(("EVTargetCurrent: M=%d, U=%d, V=%d\\n", 
                    iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Multiplier,
                    iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Unit,
-                   iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Value);
-            fprintf(stderr, "EVTargetVoltage: M=%d, U=%d, V=%d\\n", 
+                   iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Value));
+            DEBUG_PRINTF(("EVTargetVoltage: M=%d, U=%d, V=%d\\n", 
                    iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetVoltage.Multiplier,
                    iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetVoltage.Unit,
-                   iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetVoltage.Value);
+                   iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetVoltage.Value));
         }
         
         
@@ -1309,9 +1310,11 @@ int main(int argc, char *argv[]) {
         stream.capacity = 0;
         
         // 구조체 덤프 (디버그용, 필요시 활성화)
-        fprintf(stderr, "DEBUG: About to dump structure to temp/struct_xml.txt\n");
-        dump_iso1_document_to_file(&iso1Doc, "temp/struct_xml.txt");
-        fprintf(stderr, "DEBUG: Structure dump completed\n");
+        DEBUG_PRINTF(("DEBUG: About to dump structure to temp/struct_xml.txt\n"));
+        if (EXI_DEBUG_MODE) {
+            dump_iso1_document_to_file(&iso1Doc, "temp/struct_xml.txt");
+        }
+        DEBUG_PRINTF(("DEBUG: Structure dump completed\n"));
         
         errn = encode_iso1ExiDocument(&stream, &iso1Doc);
         
@@ -1422,31 +1425,31 @@ int main(int argc, char *argv[]) {
             print_iso1_message(&iso1Doc);
             
             // Compare with expected structure
-            printf("\\n=== Original EXI Structure Debug ===\\n");
-            printf("V2G_Message_isUsed: %s\\n", iso1Doc.V2G_Message_isUsed ? "true" : "false");
-            printf("SessionID length: %d\\n", iso1Doc.V2G_Message.Header.SessionID.bytesLen);
-            printf("CurrentDemandReq_isUsed: %s\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq_isUsed ? "true" : "false");
+            DEBUG_PRINTF(("\\n=== Original EXI Structure Debug ===\\n"));
+            DEBUG_PRINTF(("V2G_Message_isUsed: %s\\n", iso1Doc.V2G_Message_isUsed ? "true" : "false"));
+            DEBUG_PRINTF(("SessionID length: %d\\n", iso1Doc.V2G_Message.Header.SessionID.bytesLen));
+            DEBUG_PRINTF(("CurrentDemandReq_isUsed: %s\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq_isUsed ? "true" : "false"));
             
             if (iso1Doc.V2G_Message.Body.CurrentDemandReq_isUsed) {
-                printf("EVReady: %s\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVReady ? "true" : "false");
-                printf("EVErrorCode: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVErrorCode);
-                printf("EVRESSSOC: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVRESSSOC);
-                printf("EVTargetCurrent: M=%d, U=%d, V=%d\\n", 
+                DEBUG_PRINTF(("EVReady: %s\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVReady ? "true" : "false"));
+                DEBUG_PRINTF(("EVErrorCode: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVErrorCode));
+                DEBUG_PRINTF(("EVRESSSOC: %d\\n", iso1Doc.V2G_Message.Body.CurrentDemandReq.DC_EVStatus.EVRESSSOC));
+                DEBUG_PRINTF(("EVTargetCurrent: M=%d, U=%d, V=%d\\n", 
                        iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Multiplier,
                        iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Unit,
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Value);
-                printf("EVMaximumVoltageLimit_isUsed: %s\\n", 
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVMaximumVoltageLimit_isUsed ? "true" : "false");
-                printf("EVMaximumCurrentLimit_isUsed: %s\\n", 
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVMaximumCurrentLimit_isUsed ? "true" : "false");
-                printf("EVMaximumPowerLimit_isUsed: %s\\n", 
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVMaximumPowerLimit_isUsed ? "true" : "false");
-                printf("BulkChargingComplete_isUsed: %s\\n", 
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.BulkChargingComplete_isUsed ? "true" : "false");
-                printf("RemainingTimeToFullSoC_isUsed: %s\\n", 
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.RemainingTimeToFullSoC_isUsed ? "true" : "false");
-                printf("RemainingTimeToBulkSoC_isUsed: %s\\n", 
-                       iso1Doc.V2G_Message.Body.CurrentDemandReq.RemainingTimeToBulkSoC_isUsed ? "true" : "false");
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVTargetCurrent.Value));
+                DEBUG_PRINTF(("EVMaximumVoltageLimit_isUsed: %s\\n", 
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVMaximumVoltageLimit_isUsed ? "true" : "false"));
+                DEBUG_PRINTF(("EVMaximumCurrentLimit_isUsed: %s\\n", 
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVMaximumCurrentLimit_isUsed ? "true" : "false"));
+                DEBUG_PRINTF(("EVMaximumPowerLimit_isUsed: %s\\n", 
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.EVMaximumPowerLimit_isUsed ? "true" : "false"));
+                DEBUG_PRINTF(("BulkChargingComplete_isUsed: %s\\n", 
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.BulkChargingComplete_isUsed ? "true" : "false"));
+                DEBUG_PRINTF(("RemainingTimeToFullSoC_isUsed: %s\\n", 
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.RemainingTimeToFullSoC_isUsed ? "true" : "false"));
+                DEBUG_PRINTF(("RemainingTimeToBulkSoC_isUsed: %s\\n", 
+                       iso1Doc.V2G_Message.Body.CurrentDemandReq.RemainingTimeToBulkSoC_isUsed ? "true" : "false"));
             }
         }