diff --git a/components/cascader/__tests__/__snapshots__/demo.test.js.snap b/components/cascader/__tests__/__snapshots__/demo.test.js.snap
index 935195278..1f52f3c2e 100644
--- a/components/cascader/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/cascader/__tests__/__snapshots__/demo.test.js.snap
@@ -140,20 +140,28 @@ exports[`renders ./components/cascader/demo/size.vue correctly 1`] = `
 `;
 
 exports[`renders ./components/cascader/demo/suffix.vue correctly 1`] = `
-<div style="margin-top: 1rem;" class="ant-select ant-cascader ant-select-single ant-select-allow-clear ant-select-show-arrow">
+<div class="ant-space ant-space-horizontal ant-space-align-center">
+  <div class="ant-space-item" style="margin-right: 8px;">
+    <div style="margin-top: 1rem;" class="ant-select ant-cascader ant-select-single ant-select-allow-clear ant-select-show-arrow">
+      <!---->
+      <!---->
+      <div class="ant-select-selector"><span class="ant-select-selection-search"><input id="rc_select_TEST_OR_SSR" autocomplete="off" class="ant-select-selection-search-input" style="opacity: 0;" role="combobox" aria-haspopup="listbox" aria-owns="rc_select_TEST_OR_SSR_list" aria-autocomplete="list" aria-controls="rc_select_TEST_OR_SSR_list" readonly="" unselectable="on" type="search"></span>
+        <!----><span class="ant-select-selection-placeholder">Please select</span>
+      </div><span class="ant-select-arrow" style="user-select: none;" unselectable="on" aria-hidden="true"><span role="img" aria-label="smile" class="anticon anticon-smile test"><svg focusable="false" class="" data-icon="smile" width="1em" height="1em" fill="currentColor" aria-hidden="true" viewBox="64 64 896 896"><path d="M288 421a48 48 0 1096 0 48 48 0 10-96 0zm352 0a48 48 0 1096 0 48 48 0 10-96 0zM512 64C264.6 64 64 264.6 64 512s200.6 448 448 448 448-200.6 448-448S759.4 64 512 64zm263 711c-34.2 34.2-74 61-118.3 79.8C611 874.2 562.3 884 512 884c-50.3 0-99-9.8-144.8-29.2A370.4 370.4 0 01248.9 775c-34.2-34.2-61-74-79.8-118.3C149.8 611 140 562.3 140 512s9.8-99 29.2-144.8A370.4 370.4 0 01249 248.9c34.2-34.2 74-61 118.3-79.8C413 149.8 461.7 140 512 140c50.3 0 99 9.8 144.8 29.2A370.4 370.4 0 01775.1 249c34.2 34.2 61 74 79.8 118.3C874.2 413 884 461.7 884 512s-9.8 99-29.2 144.8A368.89 368.89 0 01775 775zM664 533h-48.1c-4.2 0-7.8 3.2-8.1 7.4C604 589.9 562.5 629 512 629s-92.1-39.1-95.8-88.6c-.3-4.2-3.9-7.4-8.1-7.4H360a8 8 0 00-8 8.4c4.4 84.3 74.5 151.6 160 151.6s155.6-67.3 160-151.6a8 8 0 00-8-8.4z"></path></svg></span></span>
+      <!---->
+    </div>
+  </div>
   <!---->
-  <!---->
-  <div class="ant-select-selector"><span class="ant-select-selection-search"><input id="rc_select_TEST_OR_SSR" autocomplete="off" class="ant-select-selection-search-input" style="opacity: 0;" role="combobox" aria-haspopup="listbox" aria-owns="rc_select_TEST_OR_SSR_list" aria-autocomplete="list" aria-controls="rc_select_TEST_OR_SSR_list" readonly="" unselectable="on" type="search"></span>
-    <!----><span class="ant-select-selection-placeholder">Please select</span>
-  </div><span class="ant-select-arrow" style="user-select: none;" unselectable="on" aria-hidden="true"><span role="img" aria-label="smile" class="anticon anticon-smile test"><svg focusable="false" class="" data-icon="smile" width="1em" height="1em" fill="currentColor" aria-hidden="true" viewBox="64 64 896 896"><path d="M288 421a48 48 0 1096 0 48 48 0 10-96 0zm352 0a48 48 0 1096 0 48 48 0 10-96 0zM512 64C264.6 64 64 264.6 64 512s200.6 448 448 448 448-200.6 448-448S759.4 64 512 64zm263 711c-34.2 34.2-74 61-118.3 79.8C611 874.2 562.3 884 512 884c-50.3 0-99-9.8-144.8-29.2A370.4 370.4 0 01248.9 775c-34.2-34.2-61-74-79.8-118.3C149.8 611 140 562.3 140 512s9.8-99 29.2-144.8A370.4 370.4 0 01249 248.9c34.2-34.2 74-61 118.3-79.8C413 149.8 461.7 140 512 140c50.3 0 99 9.8 144.8 29.2A370.4 370.4 0 01775.1 249c34.2 34.2 61 74 79.8 118.3C874.2 413 884 461.7 884 512s-9.8 99-29.2 144.8A368.89 368.89 0 01775 775zM664 533h-48.1c-4.2 0-7.8 3.2-8.1 7.4C604 589.9 562.5 629 512 629s-92.1-39.1-95.8-88.6c-.3-4.2-3.9-7.4-8.1-7.4H360a8 8 0 00-8 8.4c4.4 84.3 74.5 151.6 160 151.6s155.6-67.3 160-151.6a8 8 0 00-8-8.4z"></path></svg></span></span>
-  <!---->
-</div>
-<div suffixicon="ab" style="margin-top: 1rem;" class="ant-select ant-cascader ant-select-single ant-select-allow-clear ant-select-show-arrow">
-  <!---->
-  <!---->
-  <div class="ant-select-selector"><span class="ant-select-selection-search"><input id="rc_select_TEST_OR_SSR" autocomplete="off" class="ant-select-selection-search-input" style="opacity: 0;" role="combobox" aria-haspopup="listbox" aria-owns="rc_select_TEST_OR_SSR_list" aria-autocomplete="list" aria-controls="rc_select_TEST_OR_SSR_list" readonly="" unselectable="on" type="search"></span>
-    <!----><span class="ant-select-selection-placeholder">Please select</span>
-  </div><span class="ant-select-arrow" style="user-select: none;" unselectable="on" aria-hidden="true">ab</span>
+  <div class="ant-space-item">
+    <div suffixicon="ab" style="margin-top: 1rem;" class="ant-select ant-cascader ant-select-single ant-select-allow-clear ant-select-show-arrow">
+      <!---->
+      <!---->
+      <div class="ant-select-selector"><span class="ant-select-selection-search"><input id="rc_select_TEST_OR_SSR" autocomplete="off" class="ant-select-selection-search-input" style="opacity: 0;" role="combobox" aria-haspopup="listbox" aria-owns="rc_select_TEST_OR_SSR_list" aria-autocomplete="list" aria-controls="rc_select_TEST_OR_SSR_list" readonly="" unselectable="on" type="search"></span>
+        <!----><span class="ant-select-selection-placeholder">Please select</span>
+      </div><span class="ant-select-arrow" style="user-select: none;" unselectable="on" aria-hidden="true">ab</span>
+      <!---->
+    </div>
+  </div>
   <!---->
 </div>
 `;
diff --git a/components/vc-cascader/Cascader.tsx b/components/vc-cascader/Cascader.tsx
index 860ec6165..071882267 100644
--- a/components/vc-cascader/Cascader.tsx
+++ b/components/vc-cascader/Cascader.tsx
@@ -538,6 +538,7 @@ export default defineComponent({
         'loadingIcon',
         'customSlots',
 
+        'showCheckedStrategy',
         // Children
         'children',
       ]);