:art: https://github.com/siyuan-note/siyuan/issues/9801

app/src/assets/scss/business/_search.scss

@@ -133,17 +133,7 @@
   }
 
   &__rmpath {
-    position: absolute;
-    height: 18px;
-    width: 16px;
-    opacity: 0.68;
-    transition: var(--b3-transition);
-    right: 0;
-    cursor: pointer;
-
-    &:hover {
-      opacity: 1;
-    }
+    @extend .b3-form__icon-clear;
   }
 
   &__tip {

app/src/assets/scss/component/_form.scss

@@ -37,6 +37,21 @@
     }
   }
 
+  &__icon-clear {
+    position: absolute;
+    height: 18px;
+    width: 16px;
+    opacity: 0.68;
+    transition: var(--b3-transition);
+    right: 0;
+    cursor: pointer;
+
+    &:hover {
+      opacity: 1;
+    }
+  }
+
+  // repo password
   &__icona {
     position: relative;
     color: var(--b3-theme-on-surface);

app/src/search/assets.ts

@@ -9,6 +9,7 @@ import {MenuItem} from "../menus/Menu";
 import {Dialog} from "../dialog";
 import {Menu} from "../plugin/Menu";
 import {hasClosestByClassName} from "../protyle/util/hasClosest";
+import {addClearButton} from "../util/addClearButton";
 
 export const openSearchAsset = (element: Element, isStick: boolean) => {
     /// #if !MOBILE
@@ -43,11 +44,13 @@ export const openSearchAsset = (element: Element, isStick: boolean) => {
     </span>
 </div>
 <div class="b3-form__icon search__header">
-    <span class="fn__a ariaLabel" id="assetHistoryBtn" aria-label="${updateHotkeyTip("⌥↓")}">
-        <svg data-menu="true" class="b3-form__icon-icon"><use xlink:href="#iconSearch"></use></svg>
-        <svg class="search__arrowdown"><use xlink:href="#iconDown"></use></svg>
-    </span>
-    <input id="searchAssetInput" value="${localSearch.k}" style="padding-right: 60px" class="b3-text-field b3-text-field--text" placeholder="${window.siyuan.languages.keyword}">
+    <div class="fn__flex-1" style="position: relative">
+        <span class="fn__a ariaLabel" id="assetHistoryBtn" aria-label="${updateHotkeyTip("⌥↓")}">
+            <svg data-menu="true" class="b3-form__icon-icon"><use xlink:href="#iconSearch"></use></svg>
+            <svg class="search__arrowdown"><use xlink:href="#iconDown"></use></svg>
+        </span>
+        <input id="searchAssetInput" value="${localSearch.k}" class="b3-text-field b3-text-field--text" placeholder="${window.siyuan.languages.keyword}">
+    </div>
     <div class="block__icons">
         <span data-type="assetRefresh" aria-label="${window.siyuan.languages.refresh}" class="block__icon ariaLabel" data-position="9bottom">
             <svg><use xlink:href="#iconRefresh"></use></svg>
@@ -118,6 +121,9 @@ export const openSearchAsset = (element: Element, isStick: boolean) => {
         setStorageVal(Constants.LOCAL_SEARCHASSET, window.siyuan.storage[Constants.LOCAL_SEARCHASSET]);
     });
     assetInputEvent(element, localSearch);
+    addClearButton(searchInputElement, () => {
+        assetInputEvent(element, localSearch);
+    });
 
     const dragElement = element.querySelector(".search__drag");
     dragElement.addEventListener("mousedown", (event: MouseEvent) => {

app/src/search/util.ts

@@ -39,6 +39,7 @@ import {
 } from "./assets";
 import {resize} from "../protyle/util/resize";
 import {Menu} from "../plugin/Menu";
+import {addClearButton} from "../util/addClearButton";
 
 export const toggleReplaceHistory = (searchElement: Element) => {
     const list = window.siyuan.storage[Constants.LOCAL_SEARCHKEYS];
@@ -274,11 +275,13 @@ export const genSearch = (app: App, config: ISearchOption, element: Element, clo
         </span>
     </div>
     <div class="b3-form__icon search__header">
-        <span class="fn__a ariaLabel" id="searchHistoryBtn" aria-label="${updateHotkeyTip("⌥↓")}">
-            <svg data-menu="true" class="b3-form__icon-icon"><use xlink:href="#iconSearch"></use></svg>
-            <svg class="search__arrowdown"><use xlink:href="#iconDown"></use></svg>
-        </span>
-        <input id="searchInput" style="padding-right: 60px" class="b3-text-field b3-text-field--text" placeholder="${window.siyuan.languages.showRecentUpdatedBlocks}">
+        <div style="position: relative" class="fn__flex-1">
+             <span class="fn__a ariaLabel" id="searchHistoryBtn" aria-label="${updateHotkeyTip("⌥↓")}">
+                <svg data-menu="true" class="b3-form__icon-icon"><use xlink:href="#iconSearch"></use></svg>
+                <svg class="search__arrowdown"><use xlink:href="#iconDown"></use></svg>
+            </span>
+            <input id="searchInput" class="b3-text-field b3-text-field--text" placeholder="${window.siyuan.languages.showRecentUpdatedBlocks}">
+        </div>
         <div class="block__icons">
             <span id="searchRefresh" aria-label="${window.siyuan.languages.refresh}" class="block__icon ariaLabel" data-position="9bottom">
                 <svg><use xlink:href="#iconRefresh"></use></svg>
@@ -308,11 +311,13 @@ export const genSearch = (app: App, config: ISearchOption, element: Element, clo
         </div>
     </div>
     <div class="b3-form__icon search__header${config.hasReplace ? "" : " fn__none"}">
-        <span class="fn__a ariaLabel" id="replaceHistoryBtn" aria-label="${updateHotkeyTip("⌥↓")}">
-            <svg data-menu="true" class="b3-form__icon-icon"><use xlink:href="#iconReplace"></use></svg>
-            <svg class="search__arrowdown"><use xlink:href="#iconDown"></use></svg>
-        </span>
-        <input id="replaceInput" class="b3-text-field b3-text-field--text">
+        <div class="fn__flex-1" style="position: relative">
+            <span class="fn__a ariaLabel" id="replaceHistoryBtn" aria-label="${updateHotkeyTip("⌥↓")}">
+                <svg data-menu="true" class="b3-form__icon-icon"><use xlink:href="#iconReplace"></use></svg>
+                <svg class="search__arrowdown"><use xlink:href="#iconDown"></use></svg>
+            </span>
+            <input id="replaceInput" class="b3-text-field b3-text-field--text">
+        </div>
         <svg class="fn__rotate fn__none svg" style="padding: 0 8px;align-self: center;"><use xlink:href="#iconRefresh"></use></svg>
         <button id="replaceAllBtn" class="b3-button b3-button--small b3-button--outline fn__flex-center">${window.siyuan.languages.replaceAll}</button>
         <div class="fn__space"></div>
@@ -602,7 +607,7 @@ export const genSearch = (app: App, config: ISearchOption, element: Element, clo
             } else if (target.id === "searchReplace") {
                 // ctrl+P 不需要保存
                 config.hasReplace = !config.hasReplace;
-                element.querySelector("#replaceHistoryBtn").parentElement.classList.toggle("fn__none");
+                element.querySelectorAll(".search__header")[1].classList.toggle("fn__none");
                 event.stopPropagation();
                 event.preventDefault();
                 break;
@@ -947,6 +952,10 @@ export const genSearch = (app: App, config: ISearchOption, element: Element, clo
         }
         saveKeyList("keys", searchInputElement.value);
     });
+    addClearButton(searchInputElement, () => {
+        inputEvent(element, config, edit);
+    });
+    addClearButton(replaceInputElement, undefined, undefined, searchInputElement.clientHeight);
     inputEvent(element, config, edit);
     return edit;
 };
@@ -978,10 +987,11 @@ const updateConfig = (element: Element, item: ISearchOption, config: ISearchOpti
         item.idPath = config.idPath.join(",").split(",");
     }
     if (config.hasReplace !== item.hasReplace) {
+        const replaceHeaderElement = element.querySelectorAll(".search__header")[1];
         if (item.hasReplace) {
-            element.querySelector("#replaceHistoryBtn").parentElement.classList.remove("fn__none");
+            replaceHeaderElement.classList.remove("fn__none");
         } else {
-            element.querySelector("#replaceHistoryBtn").parentElement.classList.add("fn__none");
+            replaceHeaderElement.classList.add("fn__none");
         }
     }
     const searchPathInputElement = element.querySelector("#searchPathInput");
@@ -1096,7 +1106,7 @@ export const replace = (element: Element, config: ISearchOption, edit: Protyle,
     const replaceInputElement = element.querySelector("#replaceInput") as HTMLInputElement;
     const searchInputElement = element.querySelector("#searchInput") as HTMLInputElement;
 
-    const loadElement = replaceInputElement.nextElementSibling;
+    const loadElement = element.querySelector("#searchRefresh");
     if (!loadElement.classList.contains("fn__none")) {
         return;
     }

app/src/util/addClearButton.ts

@@ -0,0 +1,27 @@
+const update = (inputElement: HTMLInputElement, clearElement: Element, right = 8) => {
+    if (inputElement.value === "") {
+        clearElement.classList.add("fn__none");
+        inputElement.style.paddingRight = "";
+    } else {
+        clearElement.classList.remove("fn__none");
+        inputElement.style.setProperty('padding-right', `${right * 2 + clearElement.clientWidth}px`, 'important');
+    }
+}
+export const addClearButton = (inputElement: HTMLInputElement, clearCB?: () => void, right = 8, height?: number) => {
+    inputElement.insertAdjacentHTML("afterend",
+        `<svg class="b3-form__icon-clear" style="right:${right}px;height: ${height || inputElement.clientHeight}px;">
+<use xlink:href="#iconCloseRound"></use></svg>`);
+    const clearElement = inputElement.nextElementSibling;
+    clearElement.addEventListener("click", () => {
+        inputElement.value = "";
+        inputElement.focus();
+        update(inputElement, clearElement, right);
+        if (clearCB) {
+            clearCB();
+        }
+    })
+    inputElement.addEventListener("input", () => {
+        update(inputElement, clearElement, right);
+    });
+    update(inputElement, clearElement, right);
+};