diff --git a/cmdb-ui/src/modules/cmdb/views/ci/modules/ciDetailAttrContent.vue b/cmdb-ui/src/modules/cmdb/views/ci/modules/ciDetailAttrContent.vue
index 2734d65..1eae132 100644
--- a/cmdb-ui/src/modules/cmdb/views/ci/modules/ciDetailAttrContent.vue
+++ b/cmdb-ui/src/modules/cmdb/views/ci/modules/ciDetailAttrContent.vue
@@ -20,6 +20,7 @@
       <a-tooltip
         v-else-if="attr.value_type === '6'"
         :title="JSON.stringify(ci[attr.name] || {})"
+        overlayClassName="ci-detail-attr-json-tooltip"
       >
         <span class="ci-detail-attr-json">
           {{ JSON.stringify(ci[attr.name] || {}) }}
@@ -364,3 +365,13 @@ export default {
   -webkit-box-orient: vertical;
 }
 </style>
+
+<style lang="less">
+.ci-detail-attr-json-tooltip {
+
+  .ant-tooltip-content {
+    max-height: 300px;
+    overflow-y: auto;
+  }
+}
+</style>