diff --git a/wwwroot/product_category_tree/new_product_category.dspy b/wwwroot/product_category_tree/new_product_category.dspy
index 1ba8030..1b67e6e 100644
--- a/wwwroot/product_category_tree/new_product_category.dspy
+++ b/wwwroot/product_category_tree/new_product_category.dspy
@@ -23,6 +23,12 @@ if not userorgid:
 		}
 	}
 ns['org_id'] = userorgid
+ns['created_at'] = timestampstr()
+ns['updated_at'] = timestampstr()
+
+user_id = await get_user()
+if user_id:
+	ns['created_by'] = user_id
 
 db = DBPools()
 dbname = get_module_dbname('product_management')
diff --git a/wwwroot/product_category_tree/update_product_category.dspy b/wwwroot/product_category_tree/update_product_category.dspy
index 701f74e..f8ff48c 100644
--- a/wwwroot/product_category_tree/update_product_category.dspy
+++ b/wwwroot/product_category_tree/update_product_category.dspy
@@ -18,6 +18,7 @@ if not userorgid:
 		}
 	}
 ns['org_id'] = userorgid
+ns['updated_at'] = timestampstr()
 
 
 
diff --git a/wwwroot/product_list/add_product.dspy b/wwwroot/product_list/add_product.dspy
index 62a21df..9ecb044 100644
--- a/wwwroot/product_list/add_product.dspy
+++ b/wwwroot/product_list/add_product.dspy
@@ -23,6 +23,8 @@ if not userorgid:
 		}
 	}
 ns['org_id'] = userorgid
+ns['created_at'] = timestampstr()
+ns['updated_at'] = timestampstr()
 
 db = DBPools()
 dbname = get_module_dbname('product_management')
diff --git a/wwwroot/product_list/update_product.dspy b/wwwroot/product_list/update_product.dspy
index b20da94..26e77e1 100644
--- a/wwwroot/product_list/update_product.dspy
+++ b/wwwroot/product_list/update_product.dspy
@@ -18,6 +18,7 @@ if not userorgid:
 		}
 	}
 ns['org_id'] = userorgid
+ns['updated_at'] = timestampstr()
 
 
 
diff --git a/wwwroot/product_type_config_list/add_product_type_config.dspy b/wwwroot/product_type_config_list/add_product_type_config.dspy
index 374b50e..9277f4c 100644
--- a/wwwroot/product_type_config_list/add_product_type_config.dspy
+++ b/wwwroot/product_type_config_list/add_product_type_config.dspy
@@ -37,6 +37,8 @@ if not userorgid:
 		}
 	}
 ns['org_id'] = userorgid
+ns['created_at'] = timestampstr()
+ns['updated_at'] = timestampstr()
 
 db = DBPools()
 dbname = get_module_dbname('product_management')
diff --git a/wwwroot/product_type_config_list/update_product_type_config.dspy b/wwwroot/product_type_config_list/update_product_type_config.dspy
index be5984a..c6c399d 100644
--- a/wwwroot/product_type_config_list/update_product_type_config.dspy
+++ b/wwwroot/product_type_config_list/update_product_type_config.dspy
@@ -32,6 +32,7 @@ if not userorgid:
 		}
 	}
 ns['org_id'] = userorgid
+ns['updated_at'] = timestampstr()