diff --git a/src/components/ReportModal.tsx b/src/components/ReportModal.tsx
index 41ce17f..b4dd2c8 100644
--- a/src/components/ReportModal.tsx
+++ b/src/components/ReportModal.tsx
@@ -29,7 +29,9 @@ const ReportModal = ({ reportType, letterId, onClose }: ReportModalProps) => {
     reportType: reportType,
     reasonType: '',
     reason: '',
-    letterId: letterId,
+    letterId: reportType === 'LETTER' ? letterId : null,
+    sharePostId: reportType === 'SHARE_POST' ? letterId : null,
+    eventCommentId: reportType === 'EVENT_COMMENT' ? letterId : null,
   });
 
   const handleReasonClick = (reason: Reason) => {
diff --git a/src/types/admin.d.ts b/src/types/admin.d.ts
index 21c11c7..4ef77be 100644
--- a/src/types/admin.d.ts
+++ b/src/types/admin.d.ts
@@ -1,5 +1,5 @@
 type Status = 'PENDING' | 'RESOLVED' | 'REJECTED';
-type ReportType = 'LETTER' | 'POST' | 'COMMENT';
+type ReportType = 'LETTER' | 'SHARE_POST' | 'EVENT_COMMENT';
 type Reason = 'ABUSE' | 'DEFAMATION' | 'HARASSMENT' | 'THREATS' | 'ETC';
 
 interface ReportQueryString {
@@ -41,6 +41,8 @@ interface PostReportRequest {
   reasonType: Reason | '';
   reason: string;
   letterId: number | null;
+  sharePostId: number | null;
+  eventCommentId: number | null;
 }
 
 interface PatchReportRequest {