diff --git a/private-resources b/private-resources
index 68c1b04fa..ffba6c3d4 160000
--- a/private-resources
+++ b/private-resources
@@ -1 +1 @@
-Subproject commit 68c1b04faef504381476c3cbd2bfcd23b190aa25
+Subproject commit ffba6c3d4c63db23766c8a79842440602cd608aa
diff --git a/src/main/java/peer/backend/config/jwt/JwtFilter.java b/src/main/java/peer/backend/config/jwt/JwtFilter.java
index b5a612dbb..7279d00ff 100644
--- a/src/main/java/peer/backend/config/jwt/JwtFilter.java
+++ b/src/main/java/peer/backend/config/jwt/JwtFilter.java
@@ -21,7 +21,14 @@ public class JwtFilter extends OncePerRequestFilter {
     @Override
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
         FilterChain filterChain) throws ServletException, IOException {
-        String token = tokenProvider.resolveAccessToken(request);
+        String requestURI = request.getRequestURI();
+        String token;
+        // TODO: 일반 JwtFilter와 어드민 JwtFilter를 나누도록 리팩토링 하는게 좋을 것 같음.
+        if (requestURI.startsWith("/api/v1/admin")) {
+            token = this.tokenProvider.resolveAdminToken(request);
+        } else {
+            token = this.tokenProvider.resolveAccessToken(request);
+        }
         if (token == null) {
             filterChain.doFilter(request, response);
             return;
diff --git a/src/main/java/peer/backend/config/jwt/TokenProvider.java b/src/main/java/peer/backend/config/jwt/TokenProvider.java
index 2f66b07dc..515be293b 100644
--- a/src/main/java/peer/backend/config/jwt/TokenProvider.java
+++ b/src/main/java/peer/backend/config/jwt/TokenProvider.java
@@ -112,13 +112,16 @@ public String resolveAccessToken(HttpServletRequest req) {
         if (Objects.nonNull(bearerToken)) {
             return bearerToken;
         }
+        return bearerToken;
+    }
+
+    public String resolveAdminToken(HttpServletRequest req) {
         Cookie[] cookies = req.getCookies();
         Cookie cookie = this.utilService.getCookieByName(cookies, "adminToken");
         if (Objects.nonNull(cookie)) {
-            log.info("cookie??");
-            bearerToken = cookie.getValue();
+            return cookie.getValue();
         }
-        return bearerToken;
+        return null;
     }
 
     public boolean validateToken(String accessToken) {
diff --git a/src/main/java/peer/backend/controller/board/RecruitController.java b/src/main/java/peer/backend/controller/board/RecruitController.java
index 63cb4e598..b404cabf6 100644
--- a/src/main/java/peer/backend/controller/board/RecruitController.java
+++ b/src/main/java/peer/backend/controller/board/RecruitController.java
@@ -73,7 +73,7 @@ public void deleteRecruit(@PathVariable Long recruit_id) {
     @ApiOperation(value = "", notes = "모집에 지원한다.")
     @PostMapping("/interview/{recruit_id}")
     public void applyRecruit(@PathVariable Long recruit_id,
-        @RequestBody ApplyRecruitRequest request, Authentication auth) {
+        @RequestBody @Valid ApplyRecruitRequest request, Authentication auth) {
         recruitService.applyRecruit(recruit_id, request, auth);
     }
 
diff --git a/src/main/java/peer/backend/controller/profile/ProfileController.java b/src/main/java/peer/backend/controller/profile/ProfileController.java
index 759ecee32..ba9907f8a 100644
--- a/src/main/java/peer/backend/controller/profile/ProfileController.java
+++ b/src/main/java/peer/backend/controller/profile/ProfileController.java
@@ -26,6 +26,7 @@
 import javax.persistence.LockModeType;
 import javax.validation.Valid;
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
 import java.util.List;
 import java.util.NoSuchElementException;
 
@@ -133,9 +134,15 @@ public ResponseEntity<Object> editProfile(Authentication auth,
     @GetMapping("/skill/search")
     public ResponseEntity<?> getSkilsList(Authentication auth,
                                          @RequestParam("keyword") String keyword) {
-        if (keyword.length() > 15 || keyword.length() < 2)
-            return new ResponseEntity<>("검색 가능한 글자 수는 최소 2자부터 최대 15자까지 입니다.", HttpStatus.BAD_REQUEST);
+        if (keyword.length() > 15)
+            return new ResponseEntity<>("검색 가능한 글자 수는 최소 1자부터 최대 15자까지 입니다.", HttpStatus.BAD_REQUEST);
 
+        // TODO ; skill tag searching keyword converter
+        try {
+            keyword = this.profileService.convertSearchingKeyword(keyword);
+        } catch ( UnsupportedEncodingException e) {
+            return new ResponseEntity<>(e, HttpStatus.BAD_REQUEST);
+        }
         List<SkillDTO> result = this.profileService.searchTagsWithKeyword(keyword);
         if (result.isEmpty())
             return new ResponseEntity<>("태그가 존재하지 않습니다.", HttpStatus.BAD_REQUEST);
diff --git a/src/main/java/peer/backend/dto/announcement/CreateAnnouncementRequest.java b/src/main/java/peer/backend/dto/announcement/CreateAnnouncementRequest.java
index 82b916262..1ad399034 100644
--- a/src/main/java/peer/backend/dto/announcement/CreateAnnouncementRequest.java
+++ b/src/main/java/peer/backend/dto/announcement/CreateAnnouncementRequest.java
@@ -4,6 +4,7 @@
 import com.fasterxml.jackson.annotation.JsonFormat.Shape;
 import java.time.LocalDateTime;
 import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
 import lombok.Getter;
 import peer.backend.annotation.ValidEnum;
 import peer.backend.entity.announcement.AnnouncementNoticeStatus;
@@ -12,12 +13,15 @@
 public class CreateAnnouncementRequest {
 
     @NotBlank(message = "제목은 필수입니다.")
+    @Size(max = 30, message = "길이는 30 이하여야합니다.")
     private String title;
 
     @NotBlank(message = "작성자는 필수입니다.")
+    @Size(max = 10, message = "길이는 10 이하여야합니다.")
     private String writer;
 
     @NotBlank(message = "내용은 필수입니다.")
+    @Size(max = 10000, message = "길이는 10000 이하여야합니다.")
     private String content;
 
     @NotBlank(message = "이미지는 필수입니다.")
diff --git a/src/main/java/peer/backend/dto/announcement/UpdateAnnouncementRequest.java b/src/main/java/peer/backend/dto/announcement/UpdateAnnouncementRequest.java
index 4edc1cbb2..82ce48a20 100644
--- a/src/main/java/peer/backend/dto/announcement/UpdateAnnouncementRequest.java
+++ b/src/main/java/peer/backend/dto/announcement/UpdateAnnouncementRequest.java
@@ -5,6 +5,7 @@
 import java.time.LocalDateTime;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import lombok.Getter;
 import peer.backend.annotation.ValidEnum;
 import peer.backend.entity.announcement.AnnouncementNoticeStatus;
@@ -13,12 +14,15 @@
 public class UpdateAnnouncementRequest {
 
     @NotBlank(message = "제목은 필수입니다.")
+    @Size(max = 30, message = "길이는 30 이하여야합니다.")
     private String title;
 
     @NotBlank(message = "작성자는 필수입니다.")
+    @Size(max = 10, message = "길이는 10 이하여야합니다.")
     private String writer;
 
     @NotBlank(message = "내용은 필수입니다.")
+    @Size(max = 10000, message = "길이는 10000 이하여야합니다.")
     private String content;
 
     private String image;
diff --git a/src/main/java/peer/backend/dto/banner/CreateBannerRequest.java b/src/main/java/peer/backend/dto/banner/CreateBannerRequest.java
index 8d8c76478..c8ccacac6 100644
--- a/src/main/java/peer/backend/dto/banner/CreateBannerRequest.java
+++ b/src/main/java/peer/backend/dto/banner/CreateBannerRequest.java
@@ -4,6 +4,7 @@
 import com.fasterxml.jackson.annotation.JsonFormat.Shape;
 import java.time.LocalDateTime;
 import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
 import lombok.Getter;
 import peer.backend.annotation.ValidEnum;
 import peer.backend.entity.banner.BannerReservationType;
@@ -16,6 +17,7 @@ public class CreateBannerRequest {
     private BannerType bannerType;
 
     @NotBlank(message = "배너 제목을 필수입니다.")
+    @Size(max = 30, message = "길이는 30 이하여야합니다.")
     private String title;
 
     @NotBlank(message = "이미지는 필수입니다.")
@@ -27,5 +29,6 @@ public class CreateBannerRequest {
     @JsonFormat(shape = Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm", timezone = "Asia/Seoul")
     private LocalDateTime reservationDate;
 
+    @Size(max = 1000, message = "길이는 1000 이하여야합니다.")
     private String announcementUrl;
 }
diff --git a/src/main/java/peer/backend/dto/banner/UpdateBannerRequest.java b/src/main/java/peer/backend/dto/banner/UpdateBannerRequest.java
index a96b52afd..2a361e4fb 100644
--- a/src/main/java/peer/backend/dto/banner/UpdateBannerRequest.java
+++ b/src/main/java/peer/backend/dto/banner/UpdateBannerRequest.java
@@ -5,6 +5,7 @@
 import java.time.LocalDateTime;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import lombok.Getter;
 import peer.backend.annotation.ValidEnum;
 import peer.backend.entity.banner.BannerReservationType;
@@ -20,6 +21,7 @@ public class UpdateBannerRequest {
     private BannerType bannerType;
 
     @NotBlank(message = "배너 제목을 필수입니다.")
+    @Size(max = 30, message = "길이는 30 이하여야합니다.")
     private String title;
 
     private String image;
@@ -30,5 +32,6 @@ public class UpdateBannerRequest {
     @JsonFormat(shape = Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm", timezone = "Asia/Seoul")
     private LocalDateTime reservationDate;
 
+    @Size(max = 1000, message = "길이는 1000 이하여야합니다.")
     private String announcementUrl;
 }
diff --git a/src/main/java/peer/backend/dto/board/recruit/ApplyRecruitRequest.java b/src/main/java/peer/backend/dto/board/recruit/ApplyRecruitRequest.java
index b54744534..dba231b29 100644
--- a/src/main/java/peer/backend/dto/board/recruit/ApplyRecruitRequest.java
+++ b/src/main/java/peer/backend/dto/board/recruit/ApplyRecruitRequest.java
@@ -5,12 +5,14 @@
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
+import javax.validation.constraints.NotNull;
 import java.util.List;
 
 @Getter
 @AllArgsConstructor
 @NoArgsConstructor
 public class ApplyRecruitRequest {
+    @NotNull
     private String role;
     private List<String> answerList;
 }
diff --git a/src/main/java/peer/backend/dto/board/recruit/RecruitCreateRequest.java b/src/main/java/peer/backend/dto/board/recruit/RecruitCreateRequest.java
index 09e492ddf..301f6a236 100644
--- a/src/main/java/peer/backend/dto/board/recruit/RecruitCreateRequest.java
+++ b/src/main/java/peer/backend/dto/board/recruit/RecruitCreateRequest.java
@@ -25,7 +25,7 @@ public class RecruitCreateRequest {
     @NotNull
     private String image;
     @NotNull
-    @Size(min = 2, max = 30, message = "팀이름은 2글자 이상 30글자 이하로 작성해주세요.")
+    @Size(min = 2, max = 40, message = "팀이름은 2글자 이상 30글자 이하로 작성해주세요.")
     private String name;
     @NotNull(message = "제목이 반드시 필요합니다.")
     @Size(min = 1, max = 100, message = "제목은 1~100글자로 작성해주세요.")
@@ -36,7 +36,7 @@ public class RecruitCreateRequest {
     private String place;
     @NotNull
     private String type;
-    @Size(min = 1, max = 1000, message = "")
+    @Size(min = 1, max = 20000, message = "")
     @NotNull
     @Lob
     private String content;
diff --git a/src/main/java/peer/backend/dto/board/recruit/RecruitUpdateRequestDTO.java b/src/main/java/peer/backend/dto/board/recruit/RecruitUpdateRequestDTO.java
index 3f6dfac7a..78fd0b194 100644
--- a/src/main/java/peer/backend/dto/board/recruit/RecruitUpdateRequestDTO.java
+++ b/src/main/java/peer/backend/dto/board/recruit/RecruitUpdateRequestDTO.java
@@ -16,7 +16,7 @@
 @NoArgsConstructor
 public class RecruitUpdateRequestDTO {
     @NotNull
-    @Size(min = 2, max = 30, message = "팀 이름은 2글자 이상 30글자 이하로 작성해 주세요.")
+    @Size(min = 2, max = 40, message = "팀 이름은 2글자 이상 30글자 이하로 작성해 주세요.")
     private String name;
     @NotNull(message = "제목이 반드시 필요합니다.")
     @Size(min = 1, max = 100, message = "제목은 1~100글자로 작성해주세요.")
diff --git a/src/main/java/peer/backend/dto/security/UserInfo.java b/src/main/java/peer/backend/dto/security/UserInfo.java
index 78a3d133c..8c96e3afb 100644
--- a/src/main/java/peer/backend/dto/security/UserInfo.java
+++ b/src/main/java/peer/backend/dto/security/UserInfo.java
@@ -103,6 +103,7 @@ public User convertUser() {
             .messageAlarm(true)
             .nightAlarm(true)
             .teamAlarm(true)
+            .activated(true)
             .build();
     }
 }
diff --git a/src/main/java/peer/backend/dto/tag/CreateTagRequest.java b/src/main/java/peer/backend/dto/tag/CreateTagRequest.java
index 27fb56d01..fe34ea070 100644
--- a/src/main/java/peer/backend/dto/tag/CreateTagRequest.java
+++ b/src/main/java/peer/backend/dto/tag/CreateTagRequest.java
@@ -1,14 +1,17 @@
 package peer.backend.dto.tag;
 
 import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
 import lombok.Getter;
 
 @Getter
 public class CreateTagRequest {
 
     @NotBlank
+    @Size(max = 10, message = "길이는 10 이하여야 합니다.")
     private String name;
 
     @NotBlank
+    @Size(max = 7, message = "길이는 10 이하여야 합니다.")
     private String color;
 }
\ No newline at end of file
diff --git a/src/main/java/peer/backend/dto/user/UserShowcaseResponse.java b/src/main/java/peer/backend/dto/user/UserShowcaseResponse.java
index 9839e9d9d..47cf15c8a 100644
--- a/src/main/java/peer/backend/dto/user/UserShowcaseResponse.java
+++ b/src/main/java/peer/backend/dto/user/UserShowcaseResponse.java
@@ -10,12 +10,14 @@
 @Getter
 @RequiredArgsConstructor
 public class UserShowcaseResponse {
+    private Long id;
     private String image;
     private String nickname;
     private String role;
 
     public UserShowcaseResponse(TeamUser teamUser){
         User user = teamUser.getUser();
+        this.id = user.getId();
         this.image = user.getImageUrl();
         this.nickname = user.getNickname();
         this.role = teamUser.getTeamUserJobs().get(0).getTeamJob().getName();
diff --git a/src/main/java/peer/backend/entity/announcement/Announcement.java b/src/main/java/peer/backend/entity/announcement/Announcement.java
index ec3aeedb8..b9cec690a 100644
--- a/src/main/java/peer/backend/entity/announcement/Announcement.java
+++ b/src/main/java/peer/backend/entity/announcement/Announcement.java
@@ -39,10 +39,10 @@ public class Announcement extends BaseEntity {
     @Column(nullable = false)
     private String writer;
 
-    @Column(nullable = false)
+    @Column(nullable = false, columnDefinition = "LONGTEXT")
     private String content;
 
-    @Column(nullable = false)
+    @Column(nullable = false, columnDefinition = "TEXT")
     private String image;
 
     @Column(nullable = false)
diff --git a/src/main/java/peer/backend/entity/banner/Banner.java b/src/main/java/peer/backend/entity/banner/Banner.java
index 082a2b386..e62f67b1f 100644
--- a/src/main/java/peer/backend/entity/banner/Banner.java
+++ b/src/main/java/peer/backend/entity/banner/Banner.java
@@ -38,7 +38,7 @@ public class Banner extends BaseEntity {
     @Column(nullable = false)
     private String title;
 
-    @Column(nullable = false)
+    @Column(nullable = false, columnDefinition = "TEXT")
     private String imageUrl;
 
     @Column(nullable = false)
@@ -48,7 +48,7 @@ public class Banner extends BaseEntity {
     @Column
     private LocalDateTime reservationDate;
 
-    @Column
+    @Column(columnDefinition = "TEXT")
     private String announcementUrl;
 
     public void setBannerStatus(BannerStatus bannerStatus) {
diff --git a/src/main/java/peer/backend/entity/board/recruit/Recruit.java b/src/main/java/peer/backend/entity/board/recruit/Recruit.java
index e0c958acc..6f63bf6bc 100644
--- a/src/main/java/peer/backend/entity/board/recruit/Recruit.java
+++ b/src/main/java/peer/backend/entity/board/recruit/Recruit.java
@@ -10,10 +10,12 @@
 import peer.backend.entity.board.recruit.enums.RecruitStatus;
 import peer.backend.entity.tag.RecruitTag;
 import peer.backend.entity.team.Team;
+import peer.backend.entity.team.enums.TeamType;
 import peer.backend.entity.user.User;
 import peer.backend.entity.user.UserPortfolio;
 
 import javax.persistence.*;
+import javax.validation.constraints.Size;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -52,18 +54,23 @@ public class Recruit extends BaseEntity {
     @Column
     private Long hit = 0L;
     @Column(nullable = false)
+    @Size(max=100)
     private String title;
 
     @Column(nullable = false)
     @Lob
     private String content;
+
     @Column
     private String link;
+
     @Column(nullable = false)
     @Enumerated(EnumType.STRING)
     private RecruitStatus status;
-    @Column
+
+    @Column(columnDefinition = "TEXT")
     private String thumbnailUrl;
+
     @OneToMany(mappedBy = "recruit", fetch = FetchType.EAGER, cascade = CascadeType.ALL, orphanRemoval = true)
     private List<RecruitTag> recruitTags = new ArrayList<>();
     @Column
diff --git a/src/main/java/peer/backend/entity/board/recruit/RecruitFile.java b/src/main/java/peer/backend/entity/board/recruit/RecruitFile.java
index c09a4d525..fcb524178 100644
--- a/src/main/java/peer/backend/entity/board/recruit/RecruitFile.java
+++ b/src/main/java/peer/backend/entity/board/recruit/RecruitFile.java
@@ -20,6 +20,6 @@ public class RecruitFile {
     @JoinColumn(name = "recruit_id")
     private Recruit recruit;
 
-    @Column(nullable = false)
+    @Column(nullable = false, columnDefinition = "TEXT")
     private String url;
 }
diff --git a/src/main/java/peer/backend/entity/board/team/Post.java b/src/main/java/peer/backend/entity/board/team/Post.java
index 598a61730..a8b1c04b8 100644
--- a/src/main/java/peer/backend/entity/board/team/Post.java
+++ b/src/main/java/peer/backend/entity/board/team/Post.java
@@ -11,6 +11,7 @@
 
 import javax.persistence.*;
 import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
@@ -42,6 +43,7 @@ public class Post extends BaseEntity{
     private List<PostLike> postLike = new ArrayList<>();
 
     @Column(nullable = false)
+    @Size(max=100)
     private String title;
 
     @Column
@@ -53,8 +55,11 @@ public class Post extends BaseEntity{
     @Lob
     @NotNull
     private String content;
+    @Column
     private int hit;
+    @Column(columnDefinition = "TEXT")
     private String image;
+    @Column
     private int liked;
 
     @OneToMany(mappedBy = "post", cascade = CascadeType.PERSIST, orphanRemoval = true)
diff --git a/src/main/java/peer/backend/entity/board/team/PostFile.java b/src/main/java/peer/backend/entity/board/team/PostFile.java
index 99d16e773..9202dec82 100644
--- a/src/main/java/peer/backend/entity/board/team/PostFile.java
+++ b/src/main/java/peer/backend/entity/board/team/PostFile.java
@@ -16,7 +16,7 @@ public class PostFile {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-    @Column(nullable = false)
+    @Column(nullable = false, columnDefinition = "TEXT")
     private String url;
 
     @ManyToOne(fetch = FetchType.LAZY)
diff --git a/src/main/java/peer/backend/entity/team/Team.java b/src/main/java/peer/backend/entity/team/Team.java
index ea00f7c3b..0a1b2d6cb 100644
--- a/src/main/java/peer/backend/entity/team/Team.java
+++ b/src/main/java/peer/backend/entity/team/Team.java
@@ -3,6 +3,7 @@
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.NoSuchElementException;
 import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -60,7 +61,7 @@ public class Team extends BaseEntity {
     private Long id;
 
     @Column(nullable = false)
-    @Size(min = 2, max = 30)
+    @Size(min = 2, max = 40)
     private String name;
 
     @Enumerated(EnumType.STRING)
@@ -73,14 +74,14 @@ public class Team extends BaseEntity {
     @Column(nullable = false)
     private int dueValue;
 
-    @Column()
+    @Column(columnDefinition = "TEXT")
     private String teamPicturePath;
 
     @Enumerated(EnumType.STRING)
     @Column(nullable = false)
     private TeamOperationFormat operationFormat;
 
-    @Column()
+    @Column(columnDefinition = "TEXT")
     private String teamLogoPath;
 
     @Enumerated(EnumType.STRING)
@@ -154,12 +155,13 @@ public void update(RecruitUpdateRequestDTO request) {
             this.region2 = request.getRegion2();
         }
         this.operationFormat = TeamOperationFormat.from(request.getPlace());
-        jobs.clear();
-        if (request.getRoleList() != null && !request.getInterviewList().isEmpty()) {
-            request.getRoleList().forEach(this::addRole);
+        if (request.getType().equals(TeamType.STUDY.getValue()))
+        {
+            TeamJob data;
+//                this.jobs.stream().filter(job -> job.getName().equals("STUDY")).findFirst().get().setMax(request.getMax());
+            data = this.jobs.stream().filter(job -> job.getName().equals("STUDY")).findFirst().orElseThrow(() -> new NoSuchElementException("업데이트 중 문제가 발생하였습니다."));
+            data.setMax(request.getMax());
         }
-        if (request.getMax() != null)
-            this.maxMember = request.getMax();
     }
 
     public void addRole(TeamJobDto role) {
diff --git a/src/main/java/peer/backend/entity/user/User.java b/src/main/java/peer/backend/entity/user/User.java
index 49f184ebb..c03f62c00 100644
--- a/src/main/java/peer/backend/entity/user/User.java
+++ b/src/main/java/peer/backend/entity/user/User.java
@@ -13,7 +13,6 @@
 import org.hibernate.annotations.DynamicInsert;
 import org.hibernate.annotations.DynamicUpdate;
 import org.springframework.security.core.Authentication;
-import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.ObjectUtils;
 import peer.backend.entity.BaseEntity;
 import peer.backend.entity.board.recruit.Recruit;
@@ -45,6 +44,9 @@ public class User extends BaseEntity implements Login {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    @Column
+    private boolean activated = true;
+
     @Column(length = 100, unique = true, nullable = false)
     private String email;
 
@@ -75,7 +77,7 @@ public class User extends BaseEntity implements Login {
     @Column//(nullable = false)
     private String address;
 
-    @Column
+    @Column(columnDefinition = "TEXT")
     private String imageUrl;
 
     @Column//(nullable = false)
diff --git a/src/main/java/peer/backend/repository/user/UserRepository.java b/src/main/java/peer/backend/repository/user/UserRepository.java
index 7d8bf1dcf..76ef9932e 100644
--- a/src/main/java/peer/backend/repository/user/UserRepository.java
+++ b/src/main/java/peer/backend/repository/user/UserRepository.java
@@ -22,7 +22,7 @@ public interface UserRepository extends JpaRepository<User, Long> {
     @Query("SELECT u FROM User u LEFT JOIN FETCH u.peerOperation WHERE u.id = :id")
     Optional<User> findById(Long id);
 
-    @Query("SELECT m FROM User m WHERE (m.nickname LIKE %:keyword%) ORDER BY m.nickname")
+    @Query("SELECT m FROM User m WHERE (m.nickname LIKE %:keyword% AND m.activated = true) ORDER BY m.nickname")
     Optional<List<User>> findByKeyWord(String keyword);
 
     Optional<List<User>> findByEmailOrNickname(String email, String nickname);
diff --git a/src/main/java/peer/backend/service/board/recruit/HitchHikingService.java b/src/main/java/peer/backend/service/board/recruit/HitchHikingService.java
index 6cdadbf26..d105516c3 100644
--- a/src/main/java/peer/backend/service/board/recruit/HitchHikingService.java
+++ b/src/main/java/peer/backend/service/board/recruit/HitchHikingService.java
@@ -17,6 +17,10 @@
 import peer.backend.repository.board.recruit.RecruitRepository;
 import peer.backend.service.TagService;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 @Service
@@ -26,6 +30,9 @@ public class HitchHikingService {
     private final RecruitRepository recruitRepository;
     private final TagService tagService;
 
+    private String excludeImageUrlFromContent(String origin){
+        return origin.replaceAll("!\\[.*?\\]\\(.*?\\)", "");
+    }
 
     @Transactional
     public Page<HitchListResponse> getHitchList(int page, int pageSize, String type, Long userId){
@@ -53,7 +60,7 @@ public HitchResponse getHitch(Long hitchId){
         Recruit recruit = recruitRepository.findById(hitchId)
                 .orElseThrow(() -> new NotFoundException("존재하지 않는 모집글입니다."));
         return HitchResponse.builder()
-                .content(recruit.getContent())
+                .content(excludeImageUrlFromContent(recruit.getContent()))
                 .memberImage(recruit.getTeam().getTeamUsers().stream().map(
                         teamUser -> teamUser.getUser().getImageUrl()).collect(Collectors.toList()))
                 .recruitmentQuota(recruit.getTeam().getMaxMember())
diff --git a/src/main/java/peer/backend/service/board/recruit/RecruitService.java b/src/main/java/peer/backend/service/board/recruit/RecruitService.java
index 4d0e8c018..28fa55dea 100644
--- a/src/main/java/peer/backend/service/board/recruit/RecruitService.java
+++ b/src/main/java/peer/backend/service/board/recruit/RecruitService.java
@@ -279,8 +279,7 @@ public RecruitUpdateResponse getRecruitwithInterviewList(Long recruit_id) {
             .region1(team.getRegion1())
             .region2(team.getRegion2())
             .status(recruit.getStatus())
-            .totalNumber(team.getType().equals(TeamType.STUDY) ? team.getMaxMember()
-                : teamJobs.stream().mapToInt(TeamJob::getMax).sum())
+            .totalNumber(teamJobs.stream().mapToInt(TeamJob::getMax).sum())
             .current(team.getTeamUsers().size())
             .due(team.getDueTo().getLabel())
             .link(recruit.getLink())
diff --git a/src/main/java/peer/backend/service/board/team/ShowcaseService.java b/src/main/java/peer/backend/service/board/team/ShowcaseService.java
index 4f857b780..b0a1bccd4 100644
--- a/src/main/java/peer/backend/service/board/team/ShowcaseService.java
+++ b/src/main/java/peer/backend/service/board/team/ShowcaseService.java
@@ -58,13 +58,17 @@ private List<UserShowcaseResponse> getMembers(List<TeamUser> teamUsers){
                 .collect(Collectors.toList());
     }
 
+    private String excludeImageUrlFromContent(String origin){
+        return origin.replaceAll("!\\[.*?\\]\\(.*?\\)", "");
+    }
+
     private ShowcaseListResponse convertToDto(Post post, Authentication auth) {
         Team team = post.getBoard().getTeam();
         return ShowcaseListResponse.builder()
             .id(post.getId())
             .image(post.getImage())     // showcase에서 대표이미지는 항상 첫번째인덱스에 있습니다.
             .name(post.getBoard().getTeam().getName())
-            .description(post.getContent())
+            .description(excludeImageUrlFromContent(post.getContent()))
             .skill(
                 this.tagService.recruitTagListToTagResponseList(team.getRecruit().getRecruitTags()))
             .like(post.getLiked())
diff --git a/src/main/java/peer/backend/service/message/MessageMainService.java b/src/main/java/peer/backend/service/message/MessageMainService.java
index dcde085af..a6a44247a 100644
--- a/src/main/java/peer/backend/service/message/MessageMainService.java
+++ b/src/main/java/peer/backend/service/message/MessageMainService.java
@@ -435,7 +435,7 @@ public void sendMessageFromExternalPage(Authentication auth, MsgContentDTO messa
             MessageIndex firstLetter = MessageIndex.builder()
                     .user1(user)
                     .user2(target)
-                    .unreadMessageNumber1(1L)
+                    .unreadMessageNumber1(0L)
                     .unreadMessageNumber2(0L)
                     .userIdx1(user.getId())
                     .user1delete(false)
diff --git a/src/main/java/peer/backend/service/profile/ProfileService.java b/src/main/java/peer/backend/service/profile/ProfileService.java
index 2cac94c8d..562942a59 100644
--- a/src/main/java/peer/backend/service/profile/ProfileService.java
+++ b/src/main/java/peer/backend/service/profile/ProfileService.java
@@ -27,6 +27,9 @@
 import peer.backend.service.file.ObjectService;
 
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -106,8 +109,11 @@ public OtherProfileResponseDTO getOtherProfile(Long targetId) {
         } else {
             tagList = Collections.emptyList();
         }
+
+        Long id = user.isActivated() ? user.getId() : -1L;
+
         return OtherProfileResponseDTO.builder()
-                .id(user.getId())
+                .id(id)
                 .email(user.getEmail())
                 .profileImageUrl(user.getImageUrl())
                 .nickname(user.getNickname())
@@ -242,4 +248,28 @@ public void setUserSkills(User user, List<SkillDTO> tagList) throws BadRequestEx
         };
         this.userSkillsRepository.saveAll(skillList);
     }
+
+    public String convertSearchingKeyword(String keyword) throws UnsupportedEncodingException {
+        String result = "";
+        StringBuilder targetWord = new StringBuilder();
+
+        int firstPin;
+
+        for (int i = 0; i < keyword.length(); i++) {
+            if (keyword.charAt(i) == '%') {
+                firstPin = i;
+                targetWord.append('%');
+                while (keyword.charAt(i + 1) != '%') {
+                    targetWord.append(keyword.charAt(i));
+                    i++;
+                }
+                String encodedString = targetWord.toString();
+                String decodedString = URLDecoder.decode(encodedString, StandardCharsets.UTF_8);
+                keyword = keyword.replace(encodedString, decodedString);
+                i = firstPin + 1;
+            }
+        }
+        result = keyword;
+        return result;
+    }
 }
diff --git a/src/main/java/peer/backend/service/team/TeamService.java b/src/main/java/peer/backend/service/team/TeamService.java
index ae120a91d..83a40736c 100644
--- a/src/main/java/peer/backend/service/team/TeamService.java
+++ b/src/main/java/peer/backend/service/team/TeamService.java
@@ -151,15 +151,14 @@ public void updateTeamSetting(Long teamId, TeamSettingInfoDto teamSettingInfoDto
             String filePath = "TeamImage";
             if (team.getTeamLogoPath() != null) {
                 if (teamSettingInfoDto.getTeamImage() != null) {
-                    if (team.getTeamLogoPath().equals(teamSettingInfoDto.getTeamImage())) {
-                        return;
+                    if (!team.getTeamLogoPath().equals(teamSettingInfoDto.getTeamImage())) {
+                        String newImage = objectService.uploadObject(
+                                filePath + "/" + team.getId().toString(),
+                                teamSettingInfoDto.getTeamImage(), "image");
+                        objectService.deleteObject(team.getTeamLogoPath());
+                        team.setTeamLogoPath(newImage);
+                        this.userPortfolioService.setTeamLogoPath(team.getId(), newImage);
                     }
-                    String newImage = objectService.uploadObject(
-                        filePath + "/" + team.getId().toString(),
-                        teamSettingInfoDto.getTeamImage(), "image");
-                    objectService.deleteObject(team.getTeamLogoPath());
-                    team.setTeamLogoPath(newImage);
-                    this.userPortfolioService.setTeamLogoPath(team.getId(), newImage);
                 } else {
                     objectService.deleteObject(team.getTeamLogoPath());
                     team.setTeamLogoPath(null);