diff --git a/src/views/modules/machine/modules/machineProjectCloseAuthForm.vue b/src/views/modules/machine/modules/machineProjectCloseAuthForm.vue
index 606fd97..50f7f64 100644
--- a/src/views/modules/machine/modules/machineProjectCloseAuthForm.vue
+++ b/src/views/modules/machine/modules/machineProjectCloseAuthForm.vue
@@ -108,7 +108,7 @@ export default {
     /**
      * 查询可用角色
      */
-     authGroupBusinessSearch() {
+    authGroupBusinessSearch() {
       let obj = {
         site: this.$store.state.user.site,
         username: this.searchAuthBusinessData.username,
@@ -241,17 +241,24 @@ export default {
               }
               this.isAuthBusinessList.push(obj)
             }
+            //去除选中所有userId相同的，确保唯一
+            let newArray = this.isAuthBusinessList.filter(
+              (item, index, self) =>
+                index === self.findIndex((t) => t.userId === item.userId)
+            )
+            this.isAuthBusinessList = newArray
+            //将选中的user提取出来，去除可选人选中对应的user
             let ids = []
             for (let i = 0; i < this.isAuthBusinessList.length; i++) {
               ids.push(this.isAuthBusinessList[i].userId)
             }
-            
+
             for (let i = 0; i < ids.length; i++) {
               let index = this.allAuthBusinessList.findIndex(
                 (obj) => obj.userId == ids[i]
               )
               if (index != -1) {
-                this.allAuthBusinessList.splice(index, 1)      
+                this.allAuthBusinessList.splice(index, 1)
               }
             }
           } else {