diff --git a/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue b/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue
index c5256d30..27d480c5 100644
--- a/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue
+++ b/src/views/trials/trials-panel/setting/trial-config/components/logicalConfig.vue
@@ -352,7 +352,8 @@
         </el-transfer> -->
         <el-table ref="multipleTable" :data="$d.Modality" stripe height="450" row-key="id" class="criterion-table"
           @selection-change="handleSelectionChange">
-          <el-table-column type="selection" align="left" width="45" :reserve-selection="true" />
+          <el-table-column type="selection" align="left" width="45" :reserve-selection="true"
+            :selectable="selectableModality" />
           <el-table-column prop="value" :label="$t('trials:logincCfg:form:modality')" />
         </el-table>
       </div>
@@ -404,7 +405,8 @@
         </el-button>
         <el-table ref="studyNameTable" v-loading="listLoading" :data="trialStudyNameList" stripe height="400"
           row-key="Name" @selection-change="handleStudyNameSelectionChange">
-          <el-table-column type="selection" align="left" width="45" :reserve-selection="true" />
+          <el-table-column type="selection" align="left" width="45" :reserve-selection="true"
+            :selectable="selectableStudyName" />
           <el-table-column prop="Name" :label="$t('trials:logincCfg:form:studyName')">
             <template slot-scope="scope">
               <div class="bodyPartName">
@@ -412,6 +414,7 @@
                   isEN ? scope.row.EnName : scope.row.Name
                 }}</span>
                 <el-button circle icon="el-icon-delete" :title="$t('trials:logincCfg:form:StudyName:del')"
+                  :disabled="form.StudyUseStudyNameList.includes(row.Name) || form.StudyUseStudyNameList.includes(row.EnName)"
                   @click.stop="handleDelStudyName(scope.row)" />
               </div>
             </template>
@@ -503,6 +506,8 @@ export default {
         IsTrialBasicLogicConfirmed: false,
         TrialObjectNameList: [],
         TrialObjectNameConfigStr: '',
+        StudyUseModalityList: [],
+        StudyUseStudyNameList: []
         // ClinicalDataSetNames: [],
         // ClinicalDataTrialSetIds: [],
         // ClinicalDataSetNamesStr: ''
@@ -709,6 +714,12 @@ export default {
     },
   },
   methods: {
+    selectableStudyName(row) {
+      return !this.form.StudyUseStudyNameList.includes(row.Name) || !this.form.StudyUseStudyNameList.includes(row.EnName)
+    },
+    selectableModality(row) {
+      return !this.form.StudyUseModalityList.includes(row.value)
+    },
     selectableBodyPart(row) {
       return !row.IsStudyUse
     },