modify

Annotation/Annotation.php

@@ -81,6 +81,16 @@ class Annotation extends Component
     }
 
 
+    /**
+     * @param string $class
+     * @return array
+     */
+    public function getRelateMethods(string $class): array
+    {
+        return $this->_model_relate[$class] ?? [];
+    }
+
+
 
     /**
      * @param string $class

Database/Base/BaseActiveRecord.php

@@ -732,10 +732,10 @@ abstract class BaseActiveRecord extends Component implements IOrm, ArrayAccess
      */
     public function getRelate($name): mixed
     {
-        if (!isset($this->_relate[$name])) {
+        if (empty($this->_relate[$name])) {
-            return NULL;
+            $this->_relate = Snowflake::getAnnotation()->getRelateMethods(get_called_class());
         }
-        return $this->_relate[$name];
+        return $this->_relate[$name] ?? null;
     }