diff --git a/src/components/MindMap.vue b/src/components/MindMap.vue
index ff73eb60..f8e2e4a2 100644
--- a/src/components/MindMap.vue
+++ b/src/components/MindMap.vue
@@ -323,14 +323,17 @@ export default {
      * @param nodeId
      */
     searchNode (nodeId) {
-      const item = this.graph.findById(nodeId)
-      this.graph.setItemState(nodeId, 'selected', true)
       if (this.lastQueryId) {
         this.graph.setItemState(this.lastQueryId, 'selected', false)
       }
       if (this.selectedNodeId) {
         this.graph.setItemState(this.selectedNodeId, 'selected', false)
       }
+      if (!nodeId) {
+        return
+      }
+      const item = this.graph.findById(nodeId)
+      this.graph.setItemState(nodeId, 'selected', true)
       const node = this.graph.findById(nodeId)
       this.selectedNodeId = nodeId
       this.$emit('select', node._cfg.model)
diff --git a/src/views/businessSupport/standardizationActivity/StandardizationActivityPage.vue b/src/views/businessSupport/standardizationActivity/StandardizationActivityPage.vue
index 344ab650..7a5affa8 100644
--- a/src/views/businessSupport/standardizationActivity/StandardizationActivityPage.vue
+++ b/src/views/businessSupport/standardizationActivity/StandardizationActivityPage.vue
@@ -126,7 +126,12 @@ export default {
       this.nodeNameList = this.defaultNodeNameList.filter(tt => tt.name.toLowerCase().indexOf(this.nodeName.toLowerCase()) !== -1)
     },
     searchReset () {
-
+      this.nodeName = null
+      this.nodeNameList = []
+      this.currentNodeName = null
+      this.selectedNode = {}
+      this.selectedNodeId = null
+      this.$refs.mindMap.searchNode()
     },
     searchQuery () {
       this.showSearch = true
@@ -301,6 +306,7 @@ export default {
   border-top: 1px solid #E5E6EB;
   padding: 8px;
   overflow: auto;
+  z-index: 99;
 }
 
 .hide-search {