diff --git a/docs/en-US/component/tree-v2.md b/docs/en-US/component/tree-v2.md
index 0c492e5674..29bb161890 100644
--- a/docs/en-US/component/tree-v2.md
+++ b/docs/en-US/component/tree-v2.md
@@ -93,7 +93,7 @@ tree-v2/filter
 | value     | unique identity key name for nodes, its value should be unique across the whole tree | string, number | id       |
 | label     | specify which key of node object is used as the node's label                         | string         | label    |
 | children  | specify which node object is used as the node's subtree                              | string         | children |
-| disabled  | specify which key of node object represents if node's checkbox is disabled           | boolean        | disabled |
+| disabled  | specify which key of node object represents if node's checkbox is disabled           | string         | disabled |
 
 ## Method
 
diff --git a/docs/en-US/component/tree.md b/docs/en-US/component/tree.md
index 828443d20f..11695c9f43 100644
--- a/docs/en-US/component/tree.md
+++ b/docs/en-US/component/tree.md
@@ -149,7 +149,7 @@ tree/draggable
 | --------- | ----------------------------------------------------------------------------- | ----------------------------- | --------------- | ------- |
 | label     | specify which key of node object is used as the node's label                  | string, function(data, node)  | —               | —       |
 | children  | specify which node object is used as the node's subtree                       | string                        | —               | —       |
-| disabled  | specify which key of node object represents if node's checkbox is disabled    | boolean, function(data, node) | —               | —       |
+| disabled  | specify which key of node object represents if node's checkbox is disabled    | string, function(data, node)  | —               | —       |
 | isLeaf    | specify whether the node is a leaf node, only works when lazy load is enabled | boolean, function(data, node) | —               | —       |
 | class     | custom node class name                                                        | string, function(data, node)  | —               | —       |