diff --git a/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/establish.vue b/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/establish.vue
index 2c01e202f..cba002292 100644
--- a/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/establish.vue
+++ b/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/establish.vue
@@ -281,6 +281,7 @@
             v-if="TXJGmodal"
             ref="TXJGTree"
             :data="standSystemOptions"
+            @check-change="handleClick"
             show-checkbox
             node-key="id"
             check-strictly
@@ -452,6 +453,12 @@ export default {
      })
   },
   methods: {
+    //体系结构单选
+    handleClick(data,checked, node){
+      if(checked){
+        this.$refs.TXJGTree.setCheckedNodes([data]);
+      }
+    },
     TXJGcloseDrawer () {
       this.TXJGmodal = false
     },
diff --git a/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/merge.vue b/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/merge.vue
index b407db76d..be6b2d3d6 100644
--- a/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/merge.vue
+++ b/src/pages/processCenter/pages/creatProcess/qbzxdjhgk/component/merge.vue
@@ -444,6 +444,7 @@
           <el-tree
             v-if="TXJGmodal"
             ref="TXJGTree"
+            @check-change="handleClick"
             :data="standSystemOptions"
             show-checkbox
             node-key="id"
@@ -648,6 +649,12 @@ export default {
     }
   },
   methods: {
+    //体系结构单选
+    handleClick(data,checked, node){
+      if(checked){
+        this.$refs.TXJGTree.setCheckedNodes([data]);
+      }
+    },
     TXJGcloseDrawer () {
       this.TXJGmodal = false
     },