改进一对一关联

library/think/model/relation/MorphTo.php

@@ -114,6 +114,16 @@ class MorphTo extends Relation
         return $this;
     }
 
+    /**
+     * 移除关联查询参数
+     * @access public
+     * @return $this
+     */
+    public function removeOption()
+    {
+        return $this;
+    }
+
     /**
      * 预载入关联查询
      * @access public

library/think/model/relation/OneToOne.php

@@ -194,7 +194,9 @@ abstract class OneToOne extends Relation
      */
     public function getEagerlyType()
     {
-        $this->removeOption();
+        if (0 == $this->eagerlyType) {
+            $this->removeOption();
+        }
         return $this->eagerlyType;
     }