diff --git a/WebContent/jsp/onl/transaction/tracking/trackingManDetail.jsp b/WebContent/jsp/onl/transaction/tracking/trackingManDetail.jsp
index 2e2a48c..fd30ab9 100644
--- a/WebContent/jsp/onl/transaction/tracking/trackingManDetail.jsp
+++ b/WebContent/jsp/onl/transaction/tracking/trackingManDetail.jsp
@@ -38,6 +38,7 @@
 	let fullMessageData;
 	let layoutInfo = [];
 	let bzwkdatatntInfo;
+	var isPrettyView = false;
 
     var eaiSvcCode   = "";
 
@@ -388,10 +389,6 @@
 
                 $('#btn_pretty_body').click(function(){
                     const syntax =  $('#selectBodySyntax').val();
-
-                    // FLAT view를 위해 생성된 데이터 -> 기존 업무데이터
-                    bodyCodeEditor.setValue(bzwkdatatntInfo);
-                    
                     const value = bodyCodeEditor.getValue();
                     let prettyValue = value;
                     if(syntax === 'JSN'){
@@ -431,7 +428,6 @@
             $('#btn_pretty_body').css('display', 'block');
             bodyCodeEditor.setOption("mode", "application/json");
         }else if(syntax === 'XML'){
-            $('#btn_pretty_body').css('display', 'block');
             $('#btn_pretty_body').css('display', 'block');
             bodyCodeEditor.setOption("mode", "application/xml");
         }else{
@@ -842,77 +838,105 @@ $(document).ready(function() {
 		alert('전체 전문 복사되었습니다.')
 	});
 
-	// FLAT 데이터를 전문정보로 잘라서 JSON / XML VIEW 로 볼 수 있는 버튼
-	$('#btn_convert_view').click(function() {
-	    var type = $('select[id=selectBodySyntax]').val();
-	    
-	    if (!fullMessageData || !layoutInfo) {
-	        alert("데이터가 없습니다.");
+	$('#btn_pretty_print').click(function () {
+
+	    var $button = $(this);
+
+	    // Pretty View → 원본 복구
+	    if (typeof isPrettyView !== 'undefined' && isPrettyView) {
+
+	        var originalData = (typeof bzwkdatatntInfo !== 'undefined')
+	            ? bzwkdatatntInfo
+	            : "";
+
+	        if (typeof bodyCodeEditor !== 'undefined') {
+	            bodyCodeEditor.setValue(originalData);
+	        }
+
+	        isPrettyView = false;
+	        $button.text("PRETTY_PRINT");
+
 	        return;
 	    }
 
-	    parserCommon(fullMessageData, layoutInfo, type); 
-	});
+	    var intrefaceId = ($("input[name=eaiSvcName]").val() || "").trim();
+	    var logProcessNo = ($("input[name=logPrcssSerno]").val() || "").trim();
+	    var bizData = (typeof bzwkdatatntInfo !== 'undefined')
+	        ? bzwkdatatntInfo
+	        : "";
 
-	function parserCommon(flatData, layoutInfo, type) {
-	    var cursor = 0;
-	    var parsedList = [];
+	    var error = false;
 
-	    layoutInfo.forEach(function(field) {
-	        var fieldLen = field.length;
-
-	        if (fieldLen > 0) {
-	            var rawValue = flatData.substring(cursor, cursor + fieldLen);
-
-	            parsedList.push({
-	                engName: field.name,        
-	                korName: field.desc || field.name,
-	                value: rawValue // trim 금지.       
-	            });
-
-	            cursor += fieldLen;
-	        }
-	    });
-
-	    // CodeMirror 에디터에 값 세팅
-	    var finalString = ""; 
-
-	    if (type == "JSN") {
-
-	        var jsonResult = {};
-
-	        parsedList.forEach(function(item) {
-	            jsonResult[item.engName] = {
-	                "한글명": item.korName,
-	                "값": item.value
-	            };
-	        });
-	        
-	        finalString = JSON.stringify(jsonResult, null, 4); 
-	    
-	    } else if (type == "XML") {
-	        
-	        var xmlResult = "<Root>\n";
-
-	        parsedList.forEach(function(item) {
-	            var cleanTagName = item.korName.replace(/[^a-zA-Z0-9가-힣]/g, "");
-	            if (!cleanTagName) cleanTagName = item.engName;
-
-	            xmlResult += "\t<" + cleanTagName + ">" + item.value + "</" + cleanTagName + ">\n";
-	        });
-	        xmlResult += "</Root>";
-	        
-	        finalString = xmlResult;   
-
-	    } else {
-	        finalString = flatData;
+	    var errContent = ($("textarea[name=eaiErrCtnt]").val() || "").trim();
+	    if (errContent.length > 0) {
+	        error = true;
 	    }
 
-	    bodyCodeEditor.setValue(finalString);
-	    $('#selectBodySyntax').val(type).trigger('change');
+	    if (!intrefaceId || !logProcessNo || !bizData) {
+	        alert("필수값이 누락되어 조회가 불가능합니다.");
+	        return;
+	    }
 
-// 	    console.log("변환 완료:", parsedList);
-	}
+	    $.ajax({
+	        type: "POST",
+	        url: url,
+	        dataType: "json",
+	        data: {
+	            cmd: "DETAIL_PRETTY_VIEW",
+	            intrefaceId: intrefaceId,
+	            logProcessNo: logProcessNo,
+	            bizData: bizData
+	        },
+
+	        success: function (response) {
+
+	            var xmlString = response.result;
+
+	            if (xmlString) {
+
+	                if (typeof bodyCodeEditor !== 'undefined') {
+	                    bodyCodeEditor.setValue(xmlString);
+	                }
+
+	                $('#selectBodySyntax')
+	                    .val('XML')
+	                    .trigger('change');
+
+	                isPrettyView = true;
+	                $button.text("업무데이터 보기");
+
+	            } else {
+	                alert("변환된 데이터 내용이 없습니다.");
+	            }
+	        },
+
+	        error: function (xhr, status, error) {
+
+	            console.error("AJAX Error:", xhr);
+
+	            var errorMsg = "처리 중 오류가 발생했습니다.";
+
+	            if (xhr.responseJSON) {
+
+	                var errResponse = xhr.responseJSON;
+
+	                if (errResponse.result) {
+	                    errorMsg = errResponse.result;
+	                } 
+	                else if (errResponse.message) {
+	                    errorMsg = errResponse.message;
+	                }
+
+	            } 
+	            // JSON 파싱 실패 대비
+	            else if (xhr.responseText) {
+	                errorMsg = xhr.responseText;
+	            }
+
+	            alert(errorMsg);
+	        }
+	    });
+	});
 	
 });