diff --git a/src/views/common/DocumentSearch.vue b/src/views/common/DocumentSearch.vue
index b2617bb..0185563 100644
--- a/src/views/common/DocumentSearch.vue
+++ b/src/views/common/DocumentSearch.vue
@@ -581,16 +581,24 @@ export default {
             container.classList.add('prefetched')
         },
 
-        handleSearch: debounce(async function () {
+        handleSearch() {
+            // 点击时立即显示 loading 状态
+            this.searching = true
+            // 调用防抖的搜索函数
+            this._handleSearchDebounced()
+        },
+        _handleSearchDebounced: debounce(async function () {
             const keyword = this.keyword.trim()
             if (!keyword) {
                 this.resetSearch()
+                this.searching = false
+                return
+            }
+            if (!this.pdfDoc) {
+                this.searching = false
                 return
             }
-            if (!this.pdfDoc) return
 
-            // if (this.searching) return
-            this.searching = true
             await this.$nextTick()
             try {
                 const allPrepared = this.pageTextDivs.length === this.totalPages && this.pageTextDivs.every(items => items && items.length)
@@ -602,7 +610,6 @@ export default {
                     }
                 }
 
-
                 await this.highlightMatches()
             } finally {
                 this.searching = false