修改

src/views/second/taskSummary/basicTable.vue

           <el-col :span="4" class="title"> 牵头部门： </el-col>
           <el-col :span="7">
             <treeselect
+            @select="changePrincipal($event, 'leader')"
               v-model="form.leaderDept"
               :options="formatDep"
               placeholder="请选择牵头部门"
             />
           </el-col>
         </el-row>
-        <div class="leader">
+         <div class="leader">
           <span
             class="el-icon-circle-plus-outline add"
             @click="addDept('other')"
               <el-col :span="4" class="title"> 其他牵头部门： </el-col>
               <el-col :span="7">
                 <treeselect
-                @change="changePrincipal"
+                  @select="changePrincipal($event, 'other',index)"
                   v-model="form.otherDept[index]"
                   :options="formatDep"
                   placeholder="请选择其他牵头部门"
               <el-col :span="4" class="title">配合部门： </el-col>
               <el-col :span="7">
                 <treeselect
+                  @select="changePrincipal($event, 'cooperate',index)"
                   v-model="form.cooperateDept[index]"
                   :options="formatDep"
                   placeholder="请选择配合部门"
                 <treeselect
                   v-model="form.cooperatePrincipal[index]"
                   :options="principalList"
-                  placeholder="请选择牵头部门责任领导"
+                  placeholder="请选择配合部门责任领导"
                   :defaultExpandLevel="1"
                   :normalizer="
                     (d) => {
     },
   },
   methods: {
-    changePrincipal(){
-      console.log(this.department)
+    changePrincipal(e, type,index){
+      let nameId;
+      this.department.forEach(item=>{
+        if(item.id==e.id){
+          nameId=item.principal;
+          return;
+        }
+      })
+      if(type=="other"){
+        this.$set(this.form.otherPrincipal,index,parseInt(nameId))
+      }
+      if(type=="cooperate"){
+        this.$set(this.form.cooperatePrincipal,index,parseInt(nameId))
+      }
+      if(type=='leader'){
+        this.$set(this.form,'leaderPrincipal',parseInt(nameId))
+      }
     },
     addDept(type) {
       if (type == "other") {
       }
     },
     deleteDept(index, type) {
-      console.log(index, type);
       if (type == "other") {
         this.form.otherDept.splice(index, 1);
         this.form.otherPrincipal.splice(index, 1);
     },
     save() {
       let form = JSON.parse(JSON.stringify(this.form));
-      console.log(form)
       form.cooperateDept = form.cooperateDept && form.cooperateDept.join(",");
       // form.leaderDept = form.leaderDept && form.leaderDept.join(",");
       // form.leaderPrincipal =

src/views/second/taskSummary/constraint.vue

             ></el-input
           ></el-col>
         </el-row>
-        <el-row>
+         <el-row>
           <el-col :span="4" class="title"> 牵头部门： </el-col>
           <el-col :span="7">
             <treeselect
+            @select="changePrincipal($event, 'leader')"
               v-model="form.leaderDept"
               :options="formatDep"
               placeholder="请选择牵头部门"
               <el-col :span="4" class="title"> 其他牵头部门： </el-col>
               <el-col :span="7">
                 <treeselect
+                  @select="changePrincipal($event, 'other',index)"
                   v-model="form.otherDept[index]"
                   :options="formatDep"
                   placeholder="请选择其他牵头部门"
               <el-col :span="4" class="title">配合部门： </el-col>
               <el-col :span="7">
                 <treeselect
+                  @select="changePrincipal($event, 'cooperate',index)"
                   v-model="form.cooperateDept[index]"
                   :options="formatDep"
                   placeholder="请选择配合部门"
                 <treeselect
                   v-model="form.cooperatePrincipal[index]"
                   :options="principalList"
-                  placeholder="请选择牵头部门责任领导"
+                  placeholder="请选择配合部门责任领导"
                   :defaultExpandLevel="1"
                   :normalizer="
                     (d) => {
     },
   },
   methods: {
-    addOtherleader() {
-      console.log(this.form);
+     changePrincipal(e, type,index) {
+      let nameId; 
+      this.department.forEach(item=>{
+        if(item.id==e.id){
+          nameId=item.principal;
+          return;
+        }
+      })
+      if(type=="other"){
+        this.$set(this.form.otherPrincipal,index,parseInt(nameId))
+      }
+      if(type=="cooperate"){
+        this.$set(this.form.cooperatePrincipal,index,parseInt(nameId))
+      }
+      if(type=='leader'){
+        this.$set(this.form,'leaderPrincipal',parseInt(nameId))
+      }
+    },
+    addDept(type) {
+      if (type == "other") {
+        this.form.otherDept.push(undefined);
+        this.form.otherPrincipal.push(undefined);
+      }
+      if (type == "cooperate") {
+        this.form.cooperateDept.push(undefined);
+        this.form.cooperatePrincipal.push(undefined);
+      }
+    },
+    deleteDept(index, type) {
+      console.log(index, type);
+      if (type == "other") {
+        this.form.otherDept.splice(index, 1);
+        this.form.otherPrincipal.splice(index, 1);
+      }
+      if (type == "cooperate") {
+        this.form.cooperateDept.splice(index, 1);
+        this.form.cooperatePrincipal.splice(index, 1);
+      }
     },
     updateParams(data) {
       this.searchParams = data;

src/views/second/taskSummary/reward.vue

                 <treeselect
                   v-model="form.cooperatePrincipal[index]"
                   :options="principalList"
-                  placeholder="请选择牵头部门责任领导"
+                  placeholder="请选择配合部门责任领导"
                   :defaultExpandLevel="1"
                   :normalizer="
                     (d) => {
   },
   methods: {
     changePrincipal(e, type,index) {
-      let nameId;
-      console.log(this.department,e)
+      let nameId; 
       this.department.forEach(item=>{
         if(item.id==e.id){
           nameId=item.principal;
     },
     save() {
       let form = JSON.parse(JSON.stringify(this.form));
-      console.log(form);
       form.cooperateDept = form.cooperateDept && form.cooperateDept.join(",");
       // form.leaderDept = form.leaderDept && form.leaderDept.join(",");
       // form.leaderPrincipal =