diff --git a/src/views/common/DocumentSearch.vue b/src/views/common/DocumentSearch.vue
index d0ce2a6..bc5c3db 100644
--- a/src/views/common/DocumentSearch.vue
+++ b/src/views/common/DocumentSearch.vue
@@ -13,7 +13,7 @@
                     @click="goToPrevious">
                     上一处
                 </el-button>
-                <el-button class="nav-btn" type="text" icon="el-icon-arrow-down" :disabled="!searchResults.length"
+                <el-button class="nav-btn" type="text" icon="el-icon-arrow-down" :disabled="!searchResults.length || isAtLastResult"
                     @click="goToNext">
                     下一处
                 </el-button>
@@ -80,6 +80,10 @@ export default {
             }
             return null
         },
+        isAtLastResult() {
+            if (!this.searchResults.length) return true
+            return this.currentResultIndex >= this.searchResults.length - 1
+        },
     },
     data() {
         return {
@@ -858,14 +862,30 @@ export default {
 
         goToPrevious() {
             if (!this.searchResults.length) return
-            const idx = (this.currentResultIndex - 1 + this.searchResults.length) % this.searchResults.length
-            this.navigateToResult(idx)
+            let targetIndex = this.currentResultIndex
+            if (targetIndex === -1) {
+                targetIndex = this.searchResults.length - 1
+            } else {
+                targetIndex -= 1
+                if (targetIndex < 0) {
+                    targetIndex = this.searchResults.length - 1
+                }
+            }
+            this.navigateToResult(targetIndex)
         },
 
         goToNext() {
             if (!this.searchResults.length) return
-            const idx = (this.currentResultIndex + 1) % this.searchResults.length
-            this.navigateToResult(idx)
+            let targetIndex = this.currentResultIndex
+            if (targetIndex === -1) {
+                targetIndex = 0
+            } else {
+                targetIndex += 1
+                if (targetIndex > this.searchResults.length - 1) {
+                    targetIndex = 0
+                }
+            }
+            this.navigateToResult(targetIndex)
         },
 
         resetSearch() {