diff --git a/library/think/Model.php b/library/think/Model.php
index 99e9e0a5..4e60b2ac 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -1939,7 +1939,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
         // 记录当前关联信息
         $model      = $this->parseModel($model);
         $name       = Loader::parseName(basename(str_replace('\\', '/', $model)));
-        $table      = $table ?: $this->getQuery()->getTable(Loader::parseName($this->name) . '_' . $name);
+        $table      = $table ?: Loader::parseName($this->name) . '_' . $name;
         $foreignKey = $foreignKey ?: $name . '_id';
         $localKey   = $localKey ?: $this->getForeignKey($this->name);
         return new BelongsToMany($this, $model, $table, $foreignKey, $localKey);