diff --git a/WebContent/jsp/onl/apim/approval/portalAppApprovalManPopup.jsp b/WebContent/jsp/onl/apim/approval/portalAppApprovalManPopup.jsp
index ad28250..03e3996 100644
--- a/WebContent/jsp/onl/apim/approval/portalAppApprovalManPopup.jsp
+++ b/WebContent/jsp/onl/apim/approval/portalAppApprovalManPopup.jsp
@@ -38,12 +38,22 @@
         var loginUser = '<%= loginVo.getUserId() %>';
         var url = '<c:url value="/onl/apim/approval/portalApprovalMan.json" />';
         var url_view = '<c:url value="/onl/apim/approval/portalApprovalMan.view" />';
+        
+        function dateFormat(cellvalue) {
+    		if ( cellvalue == null || cellvalue.length < 8 )
+    			return '';
+    		return  cellvalue.substr(0 ,4) + '-' +
+    				cellvalue.substr(4, 2) + '-' +
+    				cellvalue.substr(6, 2) ;
+    	}
 
         $(document).ready(function () {
             var key = "${param.id}";
             if (key) {
                 detail(key);
             }
+            
+            $("#expectEndDate").datepicker().inputmask("yyyy-mm-dd", {'autoUnmask': true});
 
             $("#btn_app_approve").click(function () {
                 if (confirm("승인하시겠습니까?")) {
@@ -112,6 +122,28 @@
                     });
                 }
             });
+            
+            $("#btn_modify").click(function () {
+                if (confirm("수정하시겠습니까?")) {
+                    $.ajax({
+                        type: "POST",
+                        url: url,
+                        data: {cmd: "UPDATE", id: key, expectEndDate: $("#expectEndDate").val().replaceAll('-','')},
+                        success: function (args) {
+                            alert("수정되었습니다.");
+                            if (window.dialogArguments && window.dialogArguments.self) {
+                                window.dialogArguments.self.location.reload();
+                            } else if (window.opener) {
+                                window.opener.location.reload();
+                            }
+                            window.close();
+                        },
+                        error: function (e) {
+                            alert(e.responseText);
+                        }
+                    });
+                }
+            });
 
             $("#btn_close").click(function () {
                 window.close();
@@ -126,12 +158,25 @@
                 data: {cmd: 'DETAIL', id: key},
                 success: function (json) {
                     var data = json;
+                    
+                    if (data.approvalStatus.code == 'END') {
+                    	$('#btn_modify').hide();
+                    	$('#expectEndDate').hide();
+                    	$('#spExpectEndDate').show();
+                    	$('#spExpectEndDate').text(dateFormat(data.expectEndDate));
+                    } else {
+                    	$('#btn_modify').show();
+                    	$('#expectEndDate').show();
+                    	$('#spExpectEndDate').hide();
+                    }
+                    
                     $("#approvalType").text(data.approvalType === 'USER' ? "법인사용자" : "API 사용");
                     $("#approvalStatus").text(data.approvalStatus.description);
                     $("#requesterName").text(data.requester.userName);
                     $("#approvalSubject").text(data.approvalSubject);
                     $("#approvalDetail").html(data.approvalDetail);
                     $("#createdDate").text(data.createdDate).inputmask("9999-99-99 99:99:99.999", {'autoUnmask': true});
+                    $("#expectEndDate").val(data.expectEndDate);
 
                     if (data.approvers.some(approver =>
                         approver.approverStatus === 'CURRENT' &&
@@ -144,7 +189,7 @@
                         document.getElementById("btn_app_reject").style.display = "none";
                     }
 
-                    if (data.approvalStatus.description === '배포실패') {
+                    if (data.approvalStatus.code === 'FAILED') {
                         document.getElementById("btn_app_redeploy").style.display = "";
                     }
 
@@ -242,9 +287,14 @@
             </tr>
             <tr>
                 <th>상세 내용</th>
-                <td colspan="3">
+                <td>
                     <div id="approvalDetail" style="white-space: pre-wrap;"></div>
                 </td>
+                <th>예상완료일</th>
+                <td>
+                	<input type="text" id="expectEndDate" style="width: 120px; text-align:center"/>
+                	<span id="spExpectEndDate"></span>
+                </td>
             </tr>
         </table>
 
@@ -282,6 +332,9 @@
         </table>
     </div>
     <div class="popup_button">
+    	<button type="button" class="cssbtn" id="btn_modify" level="W"><i
+                class="material-icons">save</i>수정
+        </button>
         <button type="button" class="cssbtn" style="display: none;" id="btn_app_approve" level="W"><i
                 class="material-icons">check</i>승인
         </button>
diff --git a/WebContent/jsp/onl/apim/approval/portalApprovalMan.jsp b/WebContent/jsp/onl/apim/approval/portalApprovalMan.jsp
index dff4b54..c00c10b 100644
--- a/WebContent/jsp/onl/apim/approval/portalApprovalMan.jsp
+++ b/WebContent/jsp/onl/apim/approval/portalApprovalMan.jsp
@@ -21,6 +21,14 @@
           'USER': '법인사용자',
           'APP': 'API 사용'
       };
+      
+      function dateFormat(cellvalue, options, rowObject) {
+    		if ( cellvalue == null || cellvalue.length < 8 )
+    			return '';
+    		return  cellvalue.substr(0 ,4) + '-' +
+    				cellvalue.substr(4, 2) + '-' +
+    				cellvalue.substr(6, 2) ;
+    	}
 
       $(document).ready(function() {
         $('#grid').jqGrid({
@@ -33,7 +41,7 @@
             searchApprovalStatus: $('select[name=searchApprovalStatus]').val(),
             searchApprovalSubject: $('input[name=searchApprovalSubject]').val()
           },
-          colNames: ['No.', 'id',  '제목',  '승인 유형', '승인 유형', '승인 상태','요청자', '생성일'],
+          colNames: ['No.', 'id',  '제목',  '승인 유형', '승인 유형', '승인 상태','요청자', '생성일', '예상완료일'],
           colModel: [
             { name: 'rowNum', align: 'center', width: '30', sortable: false},
             { name: 'id', align: 'center', key: true, hidden: true },
@@ -42,7 +50,8 @@
             { name: 'approvalType', align: 'center', width: 80, hidden: true},
             { name: 'approvalStatus.description', align: 'center', width: 80 },
             { name: 'requester.userName', align: 'center', width: 100 },
-            { name: 'createdDate', align: 'center', width: 120, formatter: 'date', formatoptions: { srcformat: 'ISO8601Long', newformat: 'Y-m-d H:i:s' } }
+            { name: 'createdDate', align: 'center', width: 120, formatter: 'date', formatoptions: { srcformat: 'ISO8601Long', newformat: 'Y-m-d H:i:s' } },
+            { name: 'expectEndDate', align: 'center', width: 100, formatter: dateFormat},
           ],
           jsonReader: {
             repeatitems: false
@@ -134,8 +143,8 @@
                         <div class="select-style">
                             <select name="searchApprovalStatus">
                                 <option value="">전체</option>
-                                <option value="CREATED">생성됨</option>
                                 <option value="REQUESTED">요청됨</option>
+                                <option value="PROCESSING">진행중</option>
                                 <option value="DENIED">반려됨</option>
                                 <option value="END">승인됨</option>
                             </select>
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManController.java b/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManController.java
index 8a72d2f..532ae3a 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManController.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManController.java
@@ -76,4 +76,10 @@ public class PortalApprovalManController extends BaseAnnotationController {
         portalApprovalManService.redeploy(id);
         return ResponseEntity.ok().build();
     }
+    
+    @PostMapping(value = "/onl/apim/approval/portalApprovalMan.json", params = "cmd=UPDATE")
+    public ResponseEntity<Void> update(String id, String expectEndDate) {
+        portalApprovalManService.update(id, expectEndDate);
+        return ResponseEntity.ok().build();
+    }
 }
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManService.java b/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManService.java
index 99cf1b2..8210bd8 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalManService.java
@@ -76,6 +76,16 @@ public class PortalApprovalManService extends BaseService {
      * 마스킹된 상세 정보 조회
      */
     public PortalApprovalUI selectDetail(String id) {
+    	//2026.06.05 관리자가 승인요청을 조회시 심사중으로 상태 변경 
+    	//APP 유형이고 REQUESTED 상태인 경우 관리자 조회 시 PROCESSING으로 변경
+        approvalService.findById(id).ifPresent(approval -> {
+            if (approval.getApprovalType().equals(ApprovalType.APP)
+                    && approval.getApprovalStatus() instanceof RequestedState) {
+                approval.setApprovalStatus(new ProcessingState());
+                approvalService.save(approval);
+            }
+        });
+        
         PortalApprovalUI result = getDetailWithMaskOption(id, false);
         if (result == null) {
             throw new IllegalArgumentException("승인 정보를 찾을 수 없습니다. ID: " + id);
@@ -320,6 +330,13 @@ public class PortalApprovalManService extends BaseService {
         sendEvent(id, ApprovalEvent.DENY, options);
     }
 
+    public void update(String id, String expectEndDate) {
+        Approval approval = approvalService.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("승인 정보를 찾을 수 없습니다. ID: " + id));
+        approval.setExpectEndDate(expectEndDate);
+        approvalService.save(approval);
+    }
+
     public void redeploy(String id) {
         Map options = new HashMap<>();
         Approval approval = approvalService.findById(id).orElseThrow(() -> new IllegalArgumentException("승인 정보를 찾을 수 없습니다. ID: " + id));
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalUI.java b/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalUI.java
index 5df32b4..029d3f6 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalUI.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/approval/PortalApprovalUI.java
@@ -38,6 +38,8 @@ public class PortalApprovalUI {
     @DateTimeFormat(pattern = "yyyyMMddHHmmssSSS")
     private String approvalDate;
 
+    private String expectEndDate;
+
     public String getApprovalTypeDescription() {
         return approvalType != null ? approvalType.getDescription() : "";
     }