diff --git a/src/main/java/com/example/feeda/domain/comment/controller/CommentController.java b/src/main/java/com/example/feeda/domain/comment/controller/CommentController.java
index ce775f7..b00ac8f 100644
--- a/src/main/java/com/example/feeda/domain/comment/controller/CommentController.java
+++ b/src/main/java/com/example/feeda/domain/comment/controller/CommentController.java
@@ -27,11 +27,11 @@ public class CommentController {
     private final CommentService commentService;
 
     // 댓글 작성
-    @PostMapping("/comments/posts/{postId}")
+    @PostMapping("/comments/post/{postId}")
     public ResponseEntity<CommentResponse> createComment(
             @PathVariable Long postId,
             @AuthenticationPrincipal JwtPayload jwtPayload,
-            @RequestBody CreateCommentRequest request
+            @RequestBody @Valid CreateCommentRequest request
     ) {
         Long profileId = jwtPayload.getProfileId();
         CommentResponse response = commentService.createComment(postId, profileId, request);
@@ -39,7 +39,7 @@ public ResponseEntity<CommentResponse> createComment(
     }
 
     // 댓글 전체 조회 (게시글 기준, 정렬/필터 가능)
-    @GetMapping("/comments/posts/{postId}")
+    @GetMapping("/comments/post/{postId}")
     public ResponseEntity<List<CommentResponse>> getCommentsByPostId(
             @PathVariable Long postId,
             @RequestParam(defaultValue = "latest") String sort // latest 또는 oldest
diff --git a/src/main/java/com/example/feeda/domain/post/controller/PostController.java b/src/main/java/com/example/feeda/domain/post/controller/PostController.java
index db0f727..9182ae4 100644
--- a/src/main/java/com/example/feeda/domain/post/controller/PostController.java
+++ b/src/main/java/com/example/feeda/domain/post/controller/PostController.java
@@ -5,6 +5,7 @@
 import com.example.feeda.domain.post.dto.PostResponseDto;
 import com.example.feeda.domain.post.service.PostService;
 import com.example.feeda.security.jwt.JwtPayload;
+import jakarta.validation.Valid;
 import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotNull;
 import java.time.LocalDate;
@@ -38,7 +39,7 @@ public class PostController {
     private final PostService postService;
 
     @PostMapping
-    public ResponseEntity<PostResponseDto> createPost(@RequestBody PostRequestDto requestDto,
+    public ResponseEntity<PostResponseDto> createPost(@RequestBody @Valid PostRequestDto requestDto,
         @AuthenticationPrincipal JwtPayload jwtPayload) {
 
         PostResponseDto post = postService.createPost(requestDto, jwtPayload);
diff --git a/src/main/java/com/example/feeda/domain/post/dto/PostRequestDto.java b/src/main/java/com/example/feeda/domain/post/dto/PostRequestDto.java
index 0d081e9..17824e0 100644
--- a/src/main/java/com/example/feeda/domain/post/dto/PostRequestDto.java
+++ b/src/main/java/com/example/feeda/domain/post/dto/PostRequestDto.java
@@ -1,16 +1,19 @@
 package com.example.feeda.domain.post.dto;
 
-import jakarta.persistence.Column;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 
 @Getter
 public class PostRequestDto {
 
+    @NotNull(message = "제목은 필수 항목입니다.")
     private final String title;
 
+    @NotNull(message = "내용은 필수 항목입니다.")
     private final String content;
 
+    @Size(max = 50, message = "카테고리는 50자 이하로 입력하세요.")
     private final String category;
 
     public PostRequestDto(String title, String content, String category) {
diff --git a/src/main/java/com/example/feeda/domain/post/entity/Post.java b/src/main/java/com/example/feeda/domain/post/entity/Post.java
index 5fe3393..71592e2 100644
--- a/src/main/java/com/example/feeda/domain/post/entity/Post.java
+++ b/src/main/java/com/example/feeda/domain/post/entity/Post.java
@@ -9,8 +9,6 @@
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
-import jakarta.validation.constraints.NotNull;
-import jakarta.validation.constraints.Size;
 import lombok.Getter;
 
 
@@ -23,15 +21,12 @@ public class Post extends BaseEntity {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @NotNull(message = "제목은 필수 항목입니다.")
     @Column(length = 100, nullable = false)
     private String title;
 
-    @NotNull(message = "내용은 필수 항목입니다.")
     @Column(columnDefinition = "longtext", nullable = false)
     private String content;
 
-    @Size(max = 50, message = "카테고리는 50자 이하로 입력하세요.")
     @Column(length = 50)
     private String category;
 
@@ -47,6 +42,7 @@ public Post(String title, String content, String category, Profile profile) {
     }
 
     protected Post() {
+        super();
     }
 
     public void update(String title, String content, String category) {
diff --git a/src/main/java/com/example/feeda/domain/profile/controller/ProfileController.java b/src/main/java/com/example/feeda/domain/profile/controller/ProfileController.java
index b134265..d67d55e 100644
--- a/src/main/java/com/example/feeda/domain/profile/controller/ProfileController.java
+++ b/src/main/java/com/example/feeda/domain/profile/controller/ProfileController.java
@@ -36,7 +36,7 @@ public ResponseEntity<GetProfileWithFollowCountResponseDto> getProfile(@PathVari
     @GetMapping("/profiles")
     public ResponseEntity<ProfileListResponseDto> getProfiles(
             @RequestParam(required = false) String keyword,
-            @RequestParam(defaultValue = "0") int page,
+            @RequestParam(defaultValue = "1") int page,
             @RequestParam(defaultValue = "10") int size) {
 
         ProfileListResponseDto response = profileService.getProfiles(keyword, page, size);