diff --git a/WebContent/WEB-INF/auditpoints.dat b/WebContent/WEB-INF/auditpoints.dat
index 1c2969a..136d44c 100644
--- a/WebContent/WEB-INF/auditpoints.dat
+++ b/WebContent/WEB-INF/auditpoints.dat
@@ -12,6 +12,6 @@ PortalTermsManController_약관관리_APIGW_INSERT,UPDATE,DELETE
 ProdClientManController_운영Client (키정보)관리_APIGW_INSERT,UPDATE,DELETE
 ApiSpecController_API스펙관리_APIGW_INSERT,DELETE
 MessageTemplateManController_메세지템플릿관리_APIGW_INSERT,UPDATE,DELETE
-PortalPartnershipManController_사업제휴신청관리_APIGW_UNMASK
+PortalPartnershipManController_피드백/개선요청관리_APIGW_UNMASK
 PortalPropertyController_포탈 프로퍼티 관리_APIGW_UPDATE
 PortalUserTermsManController_약관동의 이력_APIGW_UNMASK
\ No newline at end of file
diff --git a/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipMan.jsp b/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipMan.jsp
index 15b3f38..27f5b61 100644
--- a/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipMan.jsp
+++ b/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipMan.jsp
@@ -26,7 +26,63 @@ function formatFile(cellvalue, options, rowObject) {
 	return cellvalue + icon;
 }
 
-$(document).ready(function() {	
+function formatDelete(cellvalue, options, rowObject) {
+	return '<button type="button" class="cssbtn" level="W" onclick="deleteRow(\'' + rowObject.id + '\');" '
+			+ 'style="background-color:#dc3545;border-color:#dc3545;color:white;padding:2px 8px;">삭제</button>';
+}
+
+function deleteRow(id) {
+	if (!confirm('선택한 항목을 삭제하시겠습니까?')) {
+		return;
+	}
+
+	$.ajax({
+		type: "POST",
+		url: url,
+		dataType: "json",
+		data: { cmd: 'DELETE', id: id },
+		success: function(data) {
+			alert('삭제되었습니다.');
+			$("#grid").trigger("reloadGrid");
+		},
+		error: function(e) {
+			alert('삭제 중 오류가 발생했습니다.');
+		}
+	});
+}
+
+function deleteSelectedRows() {
+	var selectedIds = $("#grid").jqGrid('getGridParam', 'selarrrow');
+
+	if (selectedIds.length === 0) {
+		alert('항목을 선택하세요.');
+		return;
+	}
+
+	if (!confirm('선택된 ' + selectedIds.length + '개 항목을 삭제하시겠습니까?')) {
+		return;
+	}
+
+	$.ajax({
+		type: "POST",
+		url: url,
+		dataType: "json",
+		data: {
+			cmd: 'DELETE_BULK',
+			ids: selectedIds.join(',')
+		},
+		success: function(data) {
+			alert('삭제되었습니다.');
+			$("#grid").jqGrid('clearGridData', true);
+			$("#grid").trigger("reloadGrid");
+		},
+		error: function(e) {
+			alert('삭제 중 오류가 발생했습니다.');
+		}
+	});
+}
+
+$(document).ready(function() {
 	$('#grid').jqGrid({
 		datatype:"json",
 		mtype: 'POST',
@@ -35,17 +91,18 @@ $(document).ready(function() {
 					 searchBizSubject: $('input[name=searchBizSubject]').val() ,
 					 searchBizDetail: $('input[name=searchBizDetail]').val()
 					},
-		colNames:['No.', 'ID', '제목', '작성자', '작성일시'],
+		colNames:['No.', 'ID', '제목', '작성자', '작성일시', '관리'],
 		colModel:[
 				{ name : 'rowNum'           , align:'center', width: 40, sortable: false },
 				{ name : 'id'           	, align:'center', key: true, hidden: true},
 				{ name : 'bizSubject'		, align:'center', width: 150, formatter: formatFile },
 				{ name : 'createdByName'	, align:'center'  ,width: 80},
-				{ name : 'createdDate' 		, align:'center', width: 100, formatter: timeStampFormat }
+				{ name : 'createdDate' 		, align:'center', width: 100, formatter: timeStampFormat },
+				{ name : 'act'              , align:'center', width: 60, sortable: false, formatter: formatDelete }
 				],
         jsonReader: {
              repeatitems:false
-        },	          
+        },
 		pager : $('#pager'),
 		page : '${param.page}',
 		rowNum : '${rmsDefaultRowNum}',
@@ -54,6 +111,8 @@ $(document).ready(function() {
 		autowidth: true,
 		viewrecords: true,
 		rowList : eval('[${rmsDefaultRowList}]'),
+		multiselect: true,
+		multiboxonly: true,
 		ondblClickRow: function(rowId) {
 			var rowData = $(this).getRowData(rowId); 
             var id = rowData['id'];
@@ -94,10 +153,14 @@ $(document).ready(function() {
 	resizeJqGridWidth('grid','content_middle','1000');
 
 	$("#btn_search").click(function(){
-		var postData = getSearchForJqgrid("cmd","LIST"); //jqgrid에서는 object 로 
+		var postData = getSearchForJqgrid("cmd","LIST"); //jqgrid에서는 object 로
 		$("#grid").setGridParam({ url:url,postData: postData ,page:1 }).trigger("reloadGrid");
 	});
 
+	$("#btn_delete_selected").click(function(){
+		deleteSelectedRows();
+	});
+
 	$("input[name^=search]").keydown(function(key){
 		if (key.keyCode == 13){
 			$("#btn_search").click();
@@ -120,8 +183,9 @@ $(document).ready(function() {
 			<div class="content_middle" id="content_middle">
 				<div class="search_wrap">
 					<button type="button" class="cssbtn" id="btn_search" level="R" ><i class="material-icons">search</i> <%= localeMessage.getString("button.search") %></button>
+					<button type="button" class="cssbtn" id="btn_delete_selected" level="W" style="background-color: #dc3545; border-color: #dc3545; color: white;"><i class="material-icons">delete_forever</i> 선택 삭제</button>
 				</div>
-				<div class="title">사업제휴 신청 목록</div>
+				<div class="title">피드백/개선요청 신청 목록</div>
 				<form id="ajaxForm"  onsubmit="return false;">
 					<table class="search_condition" cellspacing=0;>
 						<tbody>
diff --git a/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipManDetail.jsp b/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipManDetail.jsp
index 75bedfc..756a7f5 100644
--- a/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipManDetail.jsp
+++ b/WebContent/jsp/onl/apim/portalpartnership/portalPartnershipManDetail.jsp
@@ -136,7 +136,7 @@ $(document).ready(function() {
 					<button type="button" class="cssbtn" id="btn_unmask" level="W" status="DETAIL"><i class="material-icons">lock_open</i> 마스킹해제</button>
 					<button type="button" class="cssbtn" id="btn_previous" level="R" status="DETAIL,NEW"><i class="material-icons">arrow_back</i> <%= localeMessage.getString("button.previous") %></button>
 				</div>
-				<div class="title">사업제휴 신청 상세</div>
+				<div class="title">피드백/개선요청 신청 상세</div>
 
 				<table id="grid" ></table>
 				<div id="pager"></div>
diff --git a/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portalpartnerslhip/PortalPartnershipService.java b/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portalpartnerslhip/PortalPartnershipService.java
index 8e1dbc4..fdc09fa 100644
--- a/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portalpartnerslhip/PortalPartnershipService.java
+++ b/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portalpartnerslhip/PortalPartnershipService.java
@@ -10,10 +10,16 @@ import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
+
 @Service
 @Transactional(transactionManager = "transactionManagerForEMS")
 public class PortalPartnershipService extends AbstractEMSDataSerivce<PartnershipApplication, String, PortalPartnershipRepository> {
 
+	public void deleteByIds(List<String> ids) {
+		repository.deleteAllById(ids);
+	}
+
 	public Page<PartnershipApplication> findAll(Pageable pageable, String searchBizSubject, String searchBizDetail) {
 		QPartnershipApplication qPartnershipApplication = QPartnershipApplication.partnershipApplication;
 
diff --git a/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portaluser/PortalUserService.java b/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portaluser/PortalUserService.java
index ebbd9d9..965f0c7 100644
--- a/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portaluser/PortalUserService.java
+++ b/src/main/java/com/eactive/eai/rms/data/entity/onl/apim/portaluser/PortalUserService.java
@@ -77,6 +77,10 @@ public class PortalUserService extends AbstractEMSDataSerivce<PortalUser, String
     }
 
     public PortalUser findByUserId(String userId) {
+        if (StringUtils.isBlank(userId)) {
+            return null;
+        }
+
         QPortalUser qPortalUser = QPortalUser.portalUser;
 
         return getJPAQueryFactory()
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManController.java b/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManController.java
index 9574681..e5e6d65 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManController.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManController.java
@@ -55,4 +55,16 @@ public class PortalPartnershipManController extends BaseAnnotationController {
 		return ResponseEntity.ok(portalPartnershipUI);
 	}
 
+	@PostMapping(value = "/onl/apim/portalpartnership/portalPartnershipMan.json", params = "cmd=DELETE")
+	public ResponseEntity<Void> delete(String id) {
+		portalPartnershipManService.delete(id);
+		return ResponseEntity.ok().build();
+	}
+
+	@PostMapping(value = "/onl/apim/portalpartnership/portalPartnershipMan.json", params = "cmd=DELETE_BULK")
+	public ResponseEntity<Void> deleteBulk(String ids) {
+		portalPartnershipManService.deleteBulk(ids);
+		return ResponseEntity.ok().build();
+	}
+
 }
diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManService.java b/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManService.java
index 5661789..4537b99 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/portalpartnership/PortalPartnershipManService.java
@@ -15,6 +15,10 @@ import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
 @Service
 @Transactional(transactionManager = "transactionManagerForEMS")
 public class PortalPartnershipManService extends BaseService {
@@ -51,18 +55,48 @@ public class PortalPartnershipManService extends BaseService {
 		return convertToUIWithMaskOption(partnershipApplication, false);
 	}
 
+	public void delete(String id) {
+		PartnershipApplication partnership = partnershipService.getById(id);
+		Optional.ofNullable(partnership.getFileId())
+				.filter(StringUtils::isNotBlank)
+				.ifPresent(fileService::deleteFile);
+		partnershipService.deleteById(id);
+	}
+
+	public void deleteBulk(String ids) {
+		if (StringUtils.isBlank(ids)) {
+			return;
+		}
+
+		List<String> idList = Arrays.asList(ids.split(","));
+
+		// 첨부파일 정리 (단건 삭제와 동일한 처리)
+		idList.forEach(id -> {
+			PartnershipApplication partnership = partnershipService.getById(id);
+			Optional.ofNullable(partnership.getFileId())
+					.filter(StringUtils::isNotBlank)
+					.ifPresent(fileService::deleteFile);
+		});
+
+		partnershipService.deleteByIds(idList);
+	}
+
 	private PortalPartnershipUI convertToUIWithMaskOption(PartnershipApplication partnership, boolean isMasked) {
 		PortalPartnershipUI partnershipUI = portalPartnershipUIMapper.toVo(partnership);
 		PortalUser user = findUser(partnership.getCreatedBy());
 
+		// 작성자(createdBy)에 해당하는 포털 사용자가 없을 수 있음(탈퇴/삭제, 시스템 작성 등)
+		String userName = user != null ? user.getUserName() : null;
+		String loginId = user != null ? user.getLoginId() : null;
+
 		if (isMasked) {
 			// 마스킹 처리
-			partnershipUI.setCreatedByName(MaskingUtils.maskName(user.getUserName()));
-			partnershipUI.setCreatedById(MaskingUtils.maskEmailId(user.getLoginId()));
+			partnershipUI.setCreatedByName(MaskingUtils.maskName(userName));
+			partnershipUI.setCreatedById(MaskingUtils.maskEmailId(loginId));
 		} else {
 			// 마스킹 해제 상태
-			partnershipUI.setCreatedByName(user.getUserName());
-			partnershipUI.setCreatedById(user.getLoginId());
+			partnershipUI.setCreatedByName(userName);
+			partnershipUI.setCreatedById(loginId);
 		}
 
 		// 첨부파일 처리