diff --git a/addons/ospp_slide/models/models.py b/addons/ospp_slide/models/models.py
index 7872d15..2277b1b 100644
--- a/addons/ospp_slide/models/models.py
+++ b/addons/ospp_slide/models/models.py
@@ -31,13 +31,13 @@ class SlideChannel(models.Model):
 
         channel_ids = channel_obj.search([('instance_arrangement', 'not in', ['no_need']), ('instance_base', '!=', False)])
         for channel_id in channel_ids:
-            channel_id.action_generate_instance()
+            channel_id.action_create_instance()
 
         self.env.cr.commit()
 
         instance_ids = instance_obj.search([('instance_created', '!=', True)])
         for instance_id in instance_ids:
-            instance_id.action_generate_instance()
+            instance_id.action_create_instance()
 
         self.env.cr.commit()
 
@@ -47,7 +47,7 @@ class SlideChannel(models.Model):
 
         return True
 
-    def action_generate_instance(self):
+    def action_create_instance(self):
         instance_obj = self.env['channel.instance'].sudo()
         partner_obj = self.env['slide.channel.partner'].sudo()
         for rec in self:
@@ -217,7 +217,7 @@ class ChannelInstance(models.Model):
             rec.is_notified = True
             return True
 
-    def action_generate_instance(self):
+    def action_create_instance(self):
         for rec in self:
             if rec.instance_created:
                 return True
@@ -254,6 +254,31 @@ class ChannelInstance(models.Model):
                 rec.instance_created = True
             return True
 
+    def action_drop_instance(self):
+        for rec in self:
+            if not rec.instance_created:
+                return True
+
+            url = f"{rec.instance_id.management_api}/web/database/drop"
+            master_pwd = f"{rec.instance_id.management_secret}"
+            dbname = rec.service_name
+
+            headers = {
+                'Content-Type': 'application/x-www-form-urlencoded',
+                'Cookie': 'frontend_lang=en_US; session_id=645c41edf8f8c7e1e983ba0f5bd9e94d9a3bd4bc'
+            }
+
+            payload = {
+                'master_pwd': master_pwd,
+                'name': dbname,
+            }
+
+            response = requests.request("POST", url, headers=headers, data=urlencode(payload), verify=False)
+            rec.message = response.text
+            if response.status_code == 200 and 'error' not in response.text:
+                rec.instance_created = False
+            return True
+
     def name_get(self):
         # Prefetch the fields used by the `name_get`, so `browse` doesn't fetch other fields
         self.browse(self.ids).read(['name', 'code'])
diff --git a/addons/ospp_slide/security/security_groups.xml b/addons/ospp_slide/security/security_groups.xml
index fe8ad9a..6272047 100755
--- a/addons/ospp_slide/security/security_groups.xml
+++ b/addons/ospp_slide/security/security_groups.xml
@@ -19,6 +19,8 @@
         <field name="sequence">14</field>
     </record>
 
+    <!--模型权限-->
+
     <record id="group_model_channel_instance_read" model="res.groups">
         <field name="name">channel.instance read</field>
         <field name="category_id" ref="module_category_model_channel_instance"/>
@@ -45,5 +47,13 @@
         <field name="implied_ids" eval="[(4, ref('group_model_channel_instance_read'))]"/>
         <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
     </record>
+
+    <!--按钮权限-->
+
+    <record id="group_button_action_drop_instance" model="res.groups">
+        <field name="name">Action Drop Instance</field>
+        <field name="category_id" ref="module_category_button_channel_instance"/>
+        <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
+    </record>
     
 </odoo>
diff --git a/addons/ospp_slide/views/views.xml b/addons/ospp_slide/views/views.xml
index 4b59ac4..23dab57 100644
--- a/addons/ospp_slide/views/views.xml
+++ b/addons/ospp_slide/views/views.xml
@@ -10,14 +10,14 @@
                 <page string="Instance" name="instance">
                     <group>
                         <group>
-                            <field name="instance_arrangement"/>
-                            <field name="shared_instance_count" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])]}"/>
-                            <field name="shared_instance_demo_data" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])]}"/>
+                            <field name="instance_arrangement" attrs="{'readonly': [('instance_ids', '!=', [])]}"/>
+                            <field name="shared_instance_count" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])], 'readonly': [('instance_ids', '!=', [])]}"/>
+                            <field name="shared_instance_demo_data" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])], 'readonly': [('instance_ids', '!=', [])]}"/>
                         </group>
                         <group>
-                            <field name="instance_base" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])]}"/>
-                            <field name="excluded_instance_demo_data" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])]}"/>
-                             <button name="action_generate_instance" data-hotkey="v"
+                            <field name="instance_base" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])], 'readonly': [('instance_ids', '!=', [])]}"/>
+                            <field name="excluded_instance_demo_data" attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])], 'readonly': [('instance_ids', '!=', [])]}"/>
+                             <button name="action_create_instance" data-hotkey="v"
                                      string="Generate Instance" type="object"
                                      attrs="{'invisible': [('instance_arrangement', 'in', ['no_need'])]}"/>
                         </group>
@@ -34,10 +34,14 @@
                             <field name="instance_created" optional="hide"/>
                             <field name="is_notified" optional="hide"/>
                             <field name="user_scope" widget="many2many_tags" invisible="1"/>
-                            <button name="action_generate_instance" data-hotkey="v"
+                            <button name="action_create_instance" data-hotkey="v"
                                     string="Create" type="object"
                                     attrs="{'invisible': [('instance_created', '=', True)]}"/>
-                            <button name="action_post_instance" data-hotkey="v"
+                            <button name="action_drop_instance" data-hotkey="f"
+                                    groups="ospp_slide.group_button_action_drop_instance"
+                                    string="Drop" type="object"
+                                    attrs="{'invisible': [('instance_created', '!=', True)]}"/>
+                            <button name="action_post_instance" data-hotkey="g"
                                     string="Notify" type="object"
                                     attrs="{'invisible': [('instance_created', '!=', True)]}"/>
                         </tree>