diff --git a/app/blueprints/api.py b/app/blueprints/api.py
index 05dee95..ad09550 100644
--- a/app/blueprints/api.py
+++ b/app/blueprints/api.py
@@ -263,10 +263,11 @@ def get_search():
 
             image_url = ''
             try:
-                accession_number_int = int(unit.accession_number)
-                instance_id = f'{accession_number_int:06}'
-                first_3 = instance_id[0:3]
-                image_url = f'https://brmas-pub.s3-ap-northeast-1.amazonaws.com/hast/{first_3}/S_{instance_id}_s.jpg'
+                #accession_number_int = int(unit.accession_number)
+                #instance_id = f'{accession_number_int:06}'
+                #first_3 = instance_id[0:3]
+                #image_url = f'https://brmas-pub.s3-ap-northeast-1.amazonaws.com/hast/{first_3}/S_{instance_id}_s.jpg'
+                image_url = unit.get_image()
             except:
                 pass
 
diff --git a/app/models/collection.py b/app/models/collection.py
index 81d648e..37ad8ff 100644
--- a/app/models/collection.py
+++ b/app/models/collection.py
@@ -965,7 +965,7 @@ def get_annotation(self, type_name='', part=''):
                 if x.annotation_type.name == type_name:
                     return getattr(x, part) if part else x
 
-    def get_image(self, thumbnail='_s'):
+    def get_image(self, thumbnail='s'):
         if self.collection_id == 1:
             #if self.multimedia_objects:
             #    accession_number_int = int(self.accession_number)
@@ -973,11 +973,14 @@ def get_image(self, thumbnail='_s'):
             #    thumbnail = thumbnail.replace('_', '-')
             #    return f'https://pid.biodiv.tw/ark:/18474/v6cc0ts6j/S_{id_}{thumbnail}.jpg'
             try:
-                accession_number_int = int(self.accession_number)
-                instance_id = f'{accession_number_int:06}'
-                first_3 = instance_id[0:3]
-                image_url = f'https://brmas-pub.s3-ap-northeast-1.amazonaws.com/hast/{first_3}/S_{instance_id}{thumbnail}.jpg'
-                return image_url
+                #accession_number_int = int(self.accession_number)
+                #instance_id = f'{accession_number_int:06}'
+                #first_3 = instance_id[0:3]
+                #image_url = f'https://brmas-pub.s3-ap-northeast-1.amazonaws.com/hast/{first_3}/S_{instance_id}{thumbnail}.jpg'
+                if self.accession_number:
+                    return f'https://brmas-media.s3.ap-northeast-1.amazonaws.com/hast/specimen/S_{int(self.accession_number):06}-{thumbnail}.jpg'
+                else:
+                    return None
             except:
                 pass
             # TODO, get first cover or other type
diff --git a/app/templates/sites/hast/specimen-detail.html b/app/templates/sites/hast/specimen-detail.html
index 80cb413..aee2e1c 100644
--- a/app/templates/sites/hast/specimen-detail.html
+++ b/app/templates/sites/hast/specimen-detail.html
@@ -93,10 +93,10 @@
   {% if current_user.is_authenticated %}<a class="uk-link-muted" href="{{ url_for('admin.modify_frontend_collection_record', collection_id=entity.record.collection_id, record_id=entity.record.id ) }}" target="_blank">編輯</a>{% endif %}
     <div class="uk-child-width-1-2" uk-grid>
       <div>{# left #}
-        {% with image_url = entity.get_image('_l') %}{# TODO: x #}
+        {% with image_url = entity.get_image('l') %}{# TODO: x #}
           {% if image_url %}
-          <img width="480" height="480" alt="{{ entity }}" src="{{ entity.get_image('_l') }}">
-
+          <img width="480" height="480" alt="{{ entity }}" src="{{ image_url }}">
+          更大解析度: <a target="_blank" href="{{ image_url|replace('-l', '-x') }}">1365x2048 pixels</a> | <a target="_blank" href="{{ image_url|replace('-l', '-o') }}">2731x4096 pixels</a>
           {% endif %}
         {% endwith %}
         {#