diff --git a/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue b/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue
index f19ed21c..85e36f25 100644
--- a/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue
+++ b/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue
@@ -691,7 +691,8 @@
             <el-input
               v-model="addBodyPartForm.bodyPartStr"
               clearable
-              :maxlength="500"
+              type="textarea"
+              :rows="2"
               @focus="errMessage = null"
             ></el-input>
             <span class="errTip" v-if="errMessage">{{ errMessage }}</span>