diff --git a/docs/en-US/component/popover.md b/docs/en-US/component/popover.md
index 9c8ffb6e53..c3b8509908 100644
--- a/docs/en-US/component/popover.md
+++ b/docs/en-US/component/popover.md
@@ -68,6 +68,7 @@ popover/directive-usage
 | ------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------- | --------------------------------------------------------------------------------------------------------- | ------------------------------------------------------- |
 | trigger                   | how the popover is triggered                                                                                                                                             | string          | click/focus/hover/manual                                                                                  | click                                                   |
 | title                     | popover title                                                                                                                                                            | string          | —                                                                                                         | —                                                       |
+| effect                    | Tooltip theme, built-in theme: `dark` / `light`                                                                                                                          | string          | string                                                                                                    | dark                                                    |
 | content                   | popover content, can be replaced with a default `slot`                                                                                                                   | string          | —                                                                                                         | —                                                       |
 | width                     | popover width                                                                                                                                                            | string / number | —                                                                                                         | Min width 150px                                         |
 | placement                 | popover placement                                                                                                                                                        | string          | top/top-start/top-end/bottom/bottom-start/bottom-end/left/left-start/left-end/right/right-start/right-end | bottom                                                  |