update

backend/controllers/CoinController.php

@@ -107,6 +107,11 @@ class CoinController extends BaseController
                         }
                     }
                 }
+                $coin   = Yii::createObject(Coin::className());
+                $result = $coin->updateOne($req->post());
+                if ($result === true) {
+                    return ['code' => 0, 'msg' => 'succeed'];
+                }
             }
             $errors = $model->errors;
             if ($errors) {