diff --git a/docs/api/README.md b/docs/api/README.md
index 72716373d828287d23e6105c159f0ede26cb3e03..e5c1202e9b2a14db16cbd4611e07779ca492fa5b 100644
--- a/docs/api/README.md
+++ b/docs/api/README.md
@@ -104,7 +104,7 @@
         <td align=center>N</td>
     </tr>
     <tr>
-        <td rowspan=10>检测</td>
+        <td rowspan=11>检测</td>
         <td align=center><a href=./context/boxes_overlap_bev.md>boxes_overlap_bev</a></td>
         <td align=center>Y</td>
     </tr>
@@ -144,6 +144,10 @@
         <td align=center><a href=./context/points_in_box.md>points_in_box</a></td>
         <td align=center>N</td>
     </tr>
+    <tr>
+        <td align=center><a href=./context/diff_iou_rotated.md>diff_iou_rotated</a></td>
+        <td align=center>Y</td>
+    </tr>
     <tr>
     <tr>
         <td rowspan=3>稀疏</td>
@@ -215,10 +219,6 @@
         <td align=center><a href=./context/cal_anchors_heading.md>cal_anchors_heading</a></td>
         <td align=center>N</td>
     </tr>
-    <tr>
-        <td align=center><a href=./context/diff_iou_rotated.md>diff_iou_rotated</a></td>
-        <td align=center>Y</td>
-    </tr>
 </table>
 
 </br>