diff --git a/src/views/trials/trials-panel/reading/read-task-allocation/index.vue b/src/views/trials/trials-panel/reading/read-task-allocation/index.vue
index 6efe208d..c0597784 100644
--- a/src/views/trials/trials-panel/reading/read-task-allocation/index.vue
+++ b/src/views/trials/trials-panel/reading/read-task-allocation/index.vue
@@ -34,7 +34,7 @@
               </el-form-item>
                 <!-- 分配角色 -->
               <el-form-item :label="$t('trials:reviewAssign:searchForm:role')">
-                <el-select v-model="searchData.ArmList" clearable style="width:240px;" multiple>
+                <el-select v-model="searchData.ArmList" clearable style="width:240px;" multiple :disabled="!searchData.SubjectAllocateState">
                   <el-option v-for="item of $d.ArmEnum" :key="item.id" :value="item.value" :label="item.label" />
                 </el-select>
               </el-form-item>
@@ -506,7 +506,9 @@ const searchDataDefault = () => {
     DoctorUserId: null,
     IsHaveAssigned: null,
     IsAssignConfirmed: null,
-    TrialReadingCriterionId: null
+    TrialReadingCriterionId: null,
+    SubjectAllocateState:null,
+    ArmList:[]
   }
 }
 const taskSearchDataDefault = () => {
@@ -599,6 +601,14 @@ export default {
       if (v) {
         this.getList()
       }
+    },
+    "searchData.SubjectAllocateState":{
+      handler(){
+        if(!this.searchData.SubjectAllocateState){
+          this.searchData.ArmList = [];
+        }
+      },
+      // immediate:true
     }
   },
   mounted() {