diff --git a/nezha-fronted/src/components/page/dashboard/explore/promqlInput.vue b/nezha-fronted/src/components/page/dashboard/explore/promqlInput.vue
index b9b5e4394..b03d3f49d 100644
--- a/nezha-fronted/src/components/page/dashboard/explore/promqlInput.vue
+++ b/nezha-fronted/src/components/page/dashboard/explore/promqlInput.vue
@@ -89,7 +89,7 @@
              v-if="type == 'log'"
             :id="inputId"
             v-model="expressionList[index]"
-            size="small" :rows="2"
+            size="small" :rows="1"
             class="not-fixed-height no-resize"
             type="textarea"
             show-word-limit maxlength="256"
@@ -252,7 +252,7 @@
                 type="textarea"
                 :maxlength="styleType === 3 ? 512 : 4096"
                 show-word-limit
-                size="small" :rows="2"
+                size="small" :rows="1"
                 class="not-fixed-height no-resize"
                 ref="elInput"
               ></el-input>