diff --git a/services/category/CategoryMysqldb.php b/services/category/CategoryMysqldb.php
index 88d08ccbd94c829378bbf3530ab12c6f01d8cb63..cd74a278203b8834bde3ea5724f6112d72bf4471 100644
--- a/services/category/CategoryMysqldb.php
+++ b/services/category/CategoryMysqldb.php
@@ -26,6 +26,10 @@ class CategoryMysqldb extends Service implements CategoryInterface
 
     protected $_categoryModel;
     
+    protected $_categoryProductModelName = '\fecshop\models\mysqldb\CategoryProduct';
+
+    protected $_categoryProductModel;
+    
     protected $serializeAttrs = [
         'name',
         'menu_custom',
@@ -41,6 +45,8 @@ class CategoryMysqldb extends Service implements CategoryInterface
     {
         parent::init();
         list($this->_categoryModelName, $this->_categoryModel) = Yii::mapGet($this->_categoryModelName);
+        list($this->_categoryProductModelName, $this->_categoryProductModel) = \Yii::mapGet($this->_categoryProductModelName);
+        
     }
     
     // 保存的数据进行serialize序列化
@@ -298,11 +304,14 @@ class CategoryMysqldb extends Service implements CategoryInterface
                     Yii::$service->url->removeRewriteUrlKey($url_key);
                     $model->delete();
                     $this->removeChildCate($id);
+                    // delete category product relation
+                    $this->removeCategoryProductRelationByCategoryId($id);
                 } else {
                     Yii::$service->helper->errors->add("Category Remove Errors:ID:{id} is not exist.", ['id' => $id]);
 
                     $deleteAll = false;
                 }
+                
             }
             return $deleteAll;
         } else {
@@ -319,6 +328,8 @@ class CategoryMysqldb extends Service implements CategoryInterface
 
                 return false;
             }
+            // delete category product relation
+            $this->removeCategoryProductRelationByCategoryId($id);
         }
         return true;
     }
@@ -335,6 +346,8 @@ class CategoryMysqldb extends Service implements CategoryInterface
                 $url_key = $one['url_key'];
                 Yii::$service->url->removeRewriteUrlKey($url_key);
                 $one->delete();
+                // delete category product relation
+                $this->removeCategoryProductRelationByCategoryId($idVal);
             }
         }
     }
@@ -592,4 +605,10 @@ class CategoryMysqldb extends Service implements CategoryInterface
 
         return $arr;
     }
+    
+    public function removeCategoryProductRelationByCategoryId($category_id)
+    {
+        return $this->_categoryProductModel->deleteAll(['category_id' => $category_id]);
+    }
+    
 }
diff --git a/services/product/ProductMysqldb.php b/services/product/ProductMysqldb.php
index d32e9cc0eec518058372904a6200f97e6818652c..376d2c8cd6c9e40de376af895195460737e7f16a 100644
--- a/services/product/ProductMysqldb.php
+++ b/services/product/ProductMysqldb.php
@@ -793,6 +793,7 @@ class ProductMysqldb extends Service implements ProductInterface
                     Yii::$service->helper->errors->add('Product Remove Errors:ID:{id} is not exist', ['id'=>$id]);
                     $removeAll = 0;
                 }
+                $this->removeCategoryProductRelationByProductId($id);
             }
             if (!$removeAll) {
                 return false;
@@ -808,6 +809,7 @@ class ProductMysqldb extends Service implements ProductInterface
                 Yii::$service->search->removeByProductId($model[$this->getPrimaryKey()]);
                 Yii::$service->product->stock->removeProductStock($id);
                 $model->delete();
+                $this->removeCategoryProductRelationByProductId($id);
             //$this->removeChildCate($id);
             } else {
                 Yii::$service->helper->errors->add('Product Remove Errors:ID:{id} is not exist.', ['id'=>$id]);
@@ -1148,4 +1150,10 @@ class ProductMysqldb extends Service implements ProductInterface
     public function updateAllScoreToZero(){
         return $this->_productModel->getCollection()->update([], ['score' => 0]);
     }
+    
+    
+    public function removeCategoryProductRelationByProductId($product_id)
+    {
+        return $this->_categoryProductModel->deleteAll(['product_id' => $product_id]);
+    }
 }