diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.html
index 2e442afa..a96d826f 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.html
@@ -1,11 +1,9 @@
-<div class="container" fxFlex fxLayout="column">
+<div class="container organization-list" fxFlex fxLayout="column">
   <mat-toolbar class="organization-toolbar">
     <div fxFlex fxLayout="row" class="organization-header">
-      <div
-        fxLayout="row"
-        fxLayoutAlign="start center"
-        class="profile-img"
-      ></div>
+      <div fxLayout="row" class="icon-img dept-img">
+        <i class="mid mdi-file-tree"></i>
+      </div>
       <div class="organization-info">
         <h3 class="organization-name">
           <ng-container *ngIf="!isSearch">
@@ -30,7 +28,7 @@
           </ng-container>
         </h3>
       </div>
-      <div class="organization-option">
+      <div class="organization-option selectbox input-lineless ">
         <mat-form-field>
           <mat-label>{{ 'search.fieldCompany' | translate }}</mat-label>
           <mat-select
@@ -178,12 +176,12 @@
   </div>
 
   <div fxFlex="auto" fxLayout="column">
-    <mat-accordion>
+    <mat-accordion class="organization-accordion">
       <mat-expansion-panel>
         <mat-expansion-panel-header>
-          <mat-panel-title>
+          <mat-panel-title class="select-user-title">
             {{ 'organization.selectedUser' | translate }}
-            <span *ngIf="selectedUserList.length > 0">
+            <span *ngIf="selectedUserList.length > 0" class="text-accent-color">
               ({{ selectedUserList.length }})
               {{ 'common.units.persons' | translate }}
             </span>
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.scss b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.scss
index f66adb06..fde4e5a4 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.scss
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/main-contents/organization.component.scss
@@ -43,25 +43,45 @@
     justify-items: center;
     padding: 4px 20px;
 
+    .icon-img {
+      color: #ffffff;
+      background-color: #2d3a4a;
+      border-radius: 50px;
+      margin-right: 10px;
+      width: 30px;
+      height: 30px;
+      justify-content: center;
+      align-items: center;
+      flex: 0 0 30px;
+      i {
+      }
+    }
     .organization-info {
       display: flex;
+      width: 20%;
       flex-flow: row;
       overflow: hidden;
       align-items: center;
-      .organization-name {
-        font-size: 0.94rem;
-        line-height: normal;
-        @include ellipsis(1);
-      }
     }
-    .organization-option {
-      margin-left: auto;
-      margin-right: -10px;
-      .icon-button {
-        transform: translateY(-2px);
-        i {
-          font-size: 0.9em;
-        }
+    .organization-name {
+      font-size: 0.94rem;
+      line-height: normal;
+      @include ellipsis(1);
+    }
+  }
+  .organization-option {
+    position: relative;
+    width: 80%;
+    height: 50px;
+    font-size: 0.9em;
+    .mat-form-field {
+      width: 22%;
+      margin-left: 3%;
+      height: 100%;
+      display: inline-flex;
+      color: #333333;
+      .mat-select {
+        font-size: 0.9em;
       }
     }
   }
@@ -76,7 +96,7 @@
   background: transparent;
   overflow: auto;
   -webkit-overflow-scrolling: touch;
-
+  height: calc(100% - 100px);
   margin: 20px;
 }
 
@@ -89,10 +109,6 @@
   user-select: none; /* Non-prefixed version, currently supported by Chrome and Opera */
 }
 
-.scrollbar {
-  height: 550px;
-}
-
 .table-box {
   font-size: 13px;
   width: 100%;
@@ -101,6 +117,7 @@
 
   .detail-table {
     width: 100%;
+    border-top: 2px solid #00bcd4;
   }
 }
 
@@ -136,3 +153,27 @@
     }
   }
 }
+
+.organization-list {
+  height: 100%;
+}
+
+.select-user-title {
+  font-size: 0.9em;
+  font-weight: 600;
+}
+
+::ng-depp .organization-accordion {
+  .mat-expansion-panel {
+    .mat-expansion-panel-header {
+      .mat-expansion-indicator {
+        transform: rotate(180deg) !important;
+      }
+      &.mat-expanded {
+        .mat-expansion-indicator {
+          transform: rotate(0deg) !important;
+        }
+      }
+    }
+  }
+}
diff --git a/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.html b/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.html
index 94cb6551..9fe0bf6e 100644
--- a/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.html
+++ b/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.html
@@ -42,14 +42,12 @@
           class="ui-column-resizer"
           (mousedown)="resizeTable($event)"
         ></span>
-        <div>
-          <span mat-sort-header="name">
-            {{ 'search.fieldName' | translate }}
-          </span>
-          <span mat-sort-header="grade">
-            {{ 'search.fieldGrade' | translate }}
-          </span>
-        </div>
+        <span mat-sort-header="name">
+          {{ 'search.fieldName' | translate }}
+        </span>
+        <span mat-sort-header="grade">
+          {{ 'search.fieldGrade' | translate }}
+        </span>
         <div mat-sort-header="dept">
           {{ 'search.fieldDeptartment' | translate }}
         </div>
diff --git a/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.scss b/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.scss
index 3cb305c0..77994a48 100644
--- a/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.scss
+++ b/projects/ucap-webmessenger-ui-organization/src/lib/components/detail-table.component.scss
@@ -22,30 +22,46 @@
   user-select: none; /* Non-prefixed version, currently supported by Chrome and Opera */
 }
 
-.scrollbar {
+/*.scrollbar {
   height: 550px;
-}
+}*/
 
 table {
   width: 100%;
+  min-width: 600px;
+  table-layout: fixed;
 }
 
 th.mat-header-cell {
   @include disable-selection;
   position: relative;
+  padding: 0 10px;
 
   span.ui-column-resizer {
     display: block;
     position: absolute;
-    top: 0;
+    top: 10px;
     right: 0;
     margin: 0;
-    width: 5px;
-    height: 100%;
+    width: 2px;
+    height: 40px;
     padding: 0;
     cursor: col-resize;
-    border: 1px solid transparent;
-    background-color: #666;
+    border: none;
+    background-color: #d4d4d4;
+  }
+  span {
+    &[mat-sort-header='name'],
+    &[mat-sort-header='grade'] {
+      display: inline-flex;
+      padding-right: 10px;
+    }
+  }
+  &.profileImage {
+    width: 90px;
+  }
+  &.mat-column-checkable {
+    width: 50px;
   }
 }
 
@@ -53,10 +69,17 @@ td.mat-cell {
   padding: 6px;
   position: relative;
 
+  div {
+    @include ellipsis(1);
+  }
+  div:nth-chlid(2) {
+    padding-top: 4px;
+  }
+
   &.profileImage {
-    width: 70px;
+    width: 90px;
     text-overflow: unset;
-    flex: 0 0 auto;
+    flex: 0 0 90px;
 
     .table-item {
       display: flex;
@@ -90,8 +113,8 @@ td.mat-cell {
         width: 20px;
         height: 20px;
         border-radius: 50%;
-        bottom: 4px;
-        left: 50px;
+        bottom: 0;
+        left: 64px;
         display: flex;
         align-items: center;
         align-content: center;
@@ -108,20 +131,38 @@ td.mat-cell {
     }
   }
 
+  &.mat-column-checkable {
+    padding-left: 10px;
+    flex: 0 0 50px;
+  }
+
   &.profileInfo {
     cursor: pointer;
-
+    flex: 0 0 200px;
     .baseInfo {
       display: flex;
-      width: 200px;
       font-size: 1em;
-
+      @include ellipsis(1);
       .name {
-        @include ellipsis(1);
         font-size: 1em;
         font-weight: 600;
       }
+      .grade {
+        font-size: 0.86em;
+        color: #666666;
+      }
     }
+    .deptName {
+      font-size: 0.9em;
+      color: #666666;
+    }
+  }
+
+  .companyName,
+  .workplace,
+  .responsibilities {
+    font-size: 0.86em;
+    font-weight: 600;
   }
 
   .hpNumber {
diff --git a/projects/ucap-webmessenger-ui-organization/src/lib/components/tree.component.scss b/projects/ucap-webmessenger-ui-organization/src/lib/components/tree.component.scss
index 8266c1aa..6f094217 100644
--- a/projects/ucap-webmessenger-ui-organization/src/lib/components/tree.component.scss
+++ b/projects/ucap-webmessenger-ui-organization/src/lib/components/tree.component.scss
@@ -93,3 +93,21 @@
     }
   }
 }
+
+.current {
+  &.tree-node-body {
+    color: #ff6f00;
+    background-color: #fff3e0 !important;
+    border: 1px solid #ff6f00 !important;
+    .dept-name {
+      font-weight: 600;
+    }
+    button {
+      color: #ff6f00;
+    }
+  }
+  .tree-node-body {
+    color: #ff6f00;
+    font-weight: 600;
+  }
+}
diff --git a/projects/ucap-webmessenger-ui/src/assets/scss/partials/_forms.scss b/projects/ucap-webmessenger-ui/src/assets/scss/partials/_forms.scss
index 3c97fb02..e59b6ff1 100644
--- a/projects/ucap-webmessenger-ui/src/assets/scss/partials/_forms.scss
+++ b/projects/ucap-webmessenger-ui/src/assets/scss/partials/_forms.scss
@@ -139,3 +139,33 @@ textarea {
     }
   }
 }
+
+.selectbox {
+  &-lineless {
+    .mat-form-field {
+      flex-flow: row;
+      flex: 1 1 auto;
+      width: 90%;
+      align-items: center;
+      display: flex;
+      color: #333333;
+      &-wrapper {
+        padding: 0;
+        display: flex;
+        flex: 1 1 auto;
+      }
+      .mat-form-field-underline {
+        display: none;
+      }
+    }
+  }
+}
+
+.mat-select-panel-wrap {
+  position: relative;
+  width: 100%;
+  font-size: 0.9em;
+  .mat-select-panel {
+    max-width: 100%;
+  }
+}
diff --git a/projects/ucap-webmessenger-ui/src/assets/scss/partials/_icons.scss b/projects/ucap-webmessenger-ui/src/assets/scss/partials/_icons.scss
index fa019354..a6899534 100644
--- a/projects/ucap-webmessenger-ui/src/assets/scss/partials/_icons.scss
+++ b/projects/ucap-webmessenger-ui/src/assets/scss/partials/_icons.scss
@@ -42,6 +42,12 @@ mat-icon {
       height: 20px;
       line-height: 20px;
       font-weight: normal;
+      &-16 {
+        font-size: 16px;
+        width: 16px;
+        height: 16px;
+        line-height: 16px;
+      }
       &-18 {
         font-size: 18px;
         width: 18px;
@@ -60,6 +66,12 @@ mat-icon {
         height: 30px;
         line-height: 30px;
       }
+      &-48 {
+        font-size: 48px;
+        width: 47px;
+        height: 48px;
+        line-height: 48px;
+      }
     }
     &:before {
       display: inline-block;