--- ./source/private_module/btree/btree_core.c	2018-12-02 02:40:58.000000000 +0800
+++ ./source/private_module/btree/btree_core.c.hotpatch	2018-12-02 02:40:58.000000000 +0800
@@ -12156,11 +12156,10 @@
 
     if (TRUE == isMergeWithRightNode)
     {
-        /* ǰȡֵ */
-        /* ڴֵܣ˵nodeڸڵвҵĽڵ㣬ˣʹɾitemʱ
-         * ɾҶӵitemԸڵkeyֵҲӰ */
+        /* ǰȡֵ ڴֵܣ˵nodeڸڵвҵĽڵ㣬ˣʹɾitemʱɾҶӵitemԸڵkeyֵҲӰ */
         result = mergeInnerNodeWithRightSibling(req, treeInst, parentNode, 
             siblingNode, curNode);
+        if (treeInst->curLevel >= BTREE_MAX_LEVEL) { deletePrivate->isDeleteMaxItem = FALSE; }
     }
     else
     {
@@ -12182,6 +12181,7 @@
     return RETURN_OK;
 }
 
+
 /******************************************************************************
 *       : findSiblingLeafWhenDelTree
 *
