diff --git a/app/Http/Controllers/Admin/UserController.php b/app/Http/Controllers/Admin/UserController.php
index acd5d71..9ef772e 100644
--- a/app/Http/Controllers/Admin/UserController.php
+++ b/app/Http/Controllers/Admin/UserController.php
@@ -160,6 +160,8 @@ class UserController extends BaseController
         ];
         if ($id) {
             $this->validateId($id, AdminUsers::class);
+            $rules['password'] = 'between:12,30';
+            unset($messages['password.required']);
             $rules['status'] = 'required|in:0,1';
             $messages['status.required'] = __('validation.admin_user.s_empty');
             $messages['status.in'] = __('validation.admin_user.s_in');
diff --git a/app/Services/AdminUsersService.php b/app/Services/AdminUsersService.php
index 4686d3c..134492f 100644
--- a/app/Services/AdminUsersService.php
+++ b/app/Services/AdminUsersService.php
@@ -97,9 +97,8 @@ final class AdminUsersService
             }
             $model = AdminUsers::findOrFail($id);
             $oldValue = $model->toArray();
-            $model->update([
+            $update = [
                 'username'   => $data['username'],
-                'password'   => Hash::make($data['password']),
                 'name'       => $data['name'],
                 'avatar'     => '',
                 'email'      => $data['email'] ?? '',
@@ -107,7 +106,11 @@ final class AdminUsersService
                 'status'     => $data['status'],
                 'packing_id' => $data['packing_id'],
                 'created_at' => get_datetime()
-            ]);
+            ];
+            if (isset($data['password']) && !empty($data['password'])) {
+                $update['password'] = Hash::make($data['password']);
+            }
+            $model->update($update);
 
             // 角色id
             $role_id = $data['role_id'];