diff --git a/com.actionsoft.apps.coe.pal.cooperation/src/components/CooperationUpdate/component.vue b/com.actionsoft.apps.coe.pal.cooperation/src/components/CooperationUpdate/component.vue
index f90ecb0..713619a 100644
--- a/com.actionsoft.apps.coe.pal.cooperation/src/components/CooperationUpdate/component.vue
+++ b/com.actionsoft.apps.coe.pal.cooperation/src/components/CooperationUpdate/component.vue
@@ -532,6 +532,25 @@
             checkedNode(data, checked, subChecked) {// 节点选中事件
                 // 获取所有子节点
                 const that = this;
+                that.permInfo.loading = true;
+                if (data.leaf){ // 如果当前节点是叶子节点 不存在子节点 就没必要再请求 性能优化
+                  // 只对当前叶子节点处理
+                  let currVerId = data.versionId;
+                  let checkedVerIds = that.permInfo.tree.value;
+                  if (checked){
+                    if (checkedVerIds.indexOf(currVerId) == -1) {
+                      checkedVerIds.push(currVerId);
+                    }
+                  }else {
+                    if (checkedVerIds.indexOf(currVerId) !== -1){
+                      checkedVerIds = checkedVerIds.filter(id => id !== currVerId);
+                    }
+                  }
+                  that.permInfo.tree.value = checkedVerIds;
+                  that.$refs.repositoryTree.setCheckedKeys(checkedVerIds);
+                  that.permInfo.loading = false;
+                  return;
+                }
                 const params = {
                     url:'jd',
                     data:{
@@ -563,8 +582,9 @@
                             }
                         }
                         that.permInfo.tree.value = tempArr;
-                        that.$refs.repositoryTree.setCheckedKeys([]);
+                        that.$refs.repositoryTree.setCheckedKeys(tempArr);
                     }
+                  that.permInfo.loading = false;
                 }).catch(error=>{
                     console.log(error);
                 })