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 f91029ec..f19ed21c 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 +691,7 @@
             <el-input
               v-model="addBodyPartForm.bodyPartStr"
               clearable
-              :maxlength="50"
+              :maxlength="500"
               @focus="errMessage = null"
             ></el-input>
             <span class="errTip" v-if="errMessage">{{ errMessage }}</span>