diff --git a/src/app/pages/criminal-records-admin/criminal-records-admin.component.html b/src/app/pages/criminal-records-admin/criminal-records-admin.component.html
index 7b360b4..6fcb830 100644
--- a/src/app/pages/criminal-records-admin/criminal-records-admin.component.html
+++ b/src/app/pages/criminal-records-admin/criminal-records-admin.component.html
@@ -31,8 +31,18 @@
         <nz-form-item class="searchParams searchParamsLong">
           <nz-form-control>
             <nz-tree-select [nzAllowClear]="false" [nzDropdownClassName]="'maxHeightTreeSelect'" nzShowSearch
-              [(ngModel)]="defaultOrId" formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构">
+              [(ngModel)]="defaultOrId" formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构"
+              [nzExpandedIcon]="multiExpandedIconTpl">
             </nz-tree-select>
+            <ng-template #multiExpandedIconTpl let-node let-origin="origin">
+              <ng-container *ngIf="node.children.length == 0; else elseTemplate">
+
+              </ng-container>
+              <ng-template #elseTemplate>
+                <i nz-icon [nzType]="node.isExpanded ? 'caret-down' : 'caret-right'"
+                  class="ant-tree-switcher-line-icon"></i>
+              </ng-template>
+            </ng-template>
           </nz-form-control>
         </nz-form-item>
 
diff --git a/src/app/pages/oil-unloading-process-list/oil-unloading-process-list.component.html b/src/app/pages/oil-unloading-process-list/oil-unloading-process-list.component.html
index 9cd92f0..c0ef09c 100644
--- a/src/app/pages/oil-unloading-process-list/oil-unloading-process-list.component.html
+++ b/src/app/pages/oil-unloading-process-list/oil-unloading-process-list.component.html
@@ -61,8 +61,17 @@
                     <nz-form-control>
                         <nz-tree-select [nzAllowClear]="false" [nzDropdownClassName]="'maxHeightTreeSelect'"
                             nzShowSearch [(ngModel)]="defaultOrId" formControlName="organization" [nzNodes]="nodes"
-                            nzPlaceHolder="请选择所属机构">
+                            nzPlaceHolder="请选择所属机构" [nzExpandedIcon]="multiExpandedIconTpl">
                         </nz-tree-select>
+                        <ng-template #multiExpandedIconTpl let-node let-origin="origin">
+                            <ng-container *ngIf="node.children.length == 0; else elseTemplate">
+
+                            </ng-container>
+                            <ng-template #elseTemplate>
+                                <i nz-icon [nzType]="node.isExpanded ? 'caret-down' : 'caret-right'"
+                                    class="ant-tree-switcher-line-icon"></i>
+                            </ng-template>
+                        </ng-template>
                     </nz-form-control>
                 </nz-form-item>
 
diff --git a/src/app/pages/today-warning-admin/today-warning-admin.component.html b/src/app/pages/today-warning-admin/today-warning-admin.component.html
index 797d4d3..2ef8a00 100644
--- a/src/app/pages/today-warning-admin/today-warning-admin.component.html
+++ b/src/app/pages/today-warning-admin/today-warning-admin.component.html
@@ -23,8 +23,16 @@
       <nz-form-item class="searchParams searchParamsLong">
         <nz-form-control>
           <nz-tree-select [nzAllowClear]="false" [nzDropdownClassName]="'maxHeightTreeSelect'" nzShowSearch [(ngModel)]="defaultOrId"
-            formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构">
+            formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构" [nzExpandedIcon]="multiExpandedIconTpl">
           </nz-tree-select>
+          <ng-template #multiExpandedIconTpl let-node let-origin="origin">
+            <ng-container *ngIf="node.children.length == 0; else elseTemplate">
+        
+            </ng-container>
+            <ng-template #elseTemplate>
+              <i nz-icon [nzType]="node.isExpanded ? 'caret-down' : 'caret-right'" class="ant-tree-switcher-line-icon"></i>
+            </ng-template>
+          </ng-template>
         </nz-form-control>
       </nz-form-item>
 
diff --git a/src/app/system-management/user/adduser/adduser.component.html b/src/app/system-management/user/adduser/adduser.component.html
index 081dd41..f5b7bd9 100644
--- a/src/app/system-management/user/adduser/adduser.component.html
+++ b/src/app/system-management/user/adduser/adduser.component.html
@@ -16,15 +16,25 @@
     </nz-form-item>
     <nz-form-item>
       <nz-form-control>
-        <nz-tree-select [nzDropdownClassName]="'maxHeightTreeSelect'" formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构">
-          
+        <nz-tree-select [nzDropdownClassName]="'maxHeightTreeSelect'" formControlName="organization" [nzNodes]="nodes"
+          nzPlaceHolder="请选择所属机构" [nzExpandedIcon]="multiExpandedIconTpl">
         </nz-tree-select>
+        <ng-template #multiExpandedIconTpl let-node let-origin="origin">
+          <ng-container *ngIf="node.children.length == 0; else elseTemplate">
+
+          </ng-container>
+          <ng-template #elseTemplate>
+            <i nz-icon [nzType]="node.isExpanded ? 'caret-down' : 'caret-right'"
+              class="ant-tree-switcher-line-icon"></i>
+          </ng-template>
+        </ng-template>
       </nz-form-control>
     </nz-form-item>
     <nz-form-item>
       <nz-form-control>
         <nz-select formControlName="role" nzPlaceHolder="请选择角色" nzMode="multiple">
-          <nz-option *ngFor="let item of listOfData" [nzValue]="item.normalizedName" [nzLabel]="item.displayName"></nz-option>
+          <nz-option *ngFor="let item of listOfData" [nzValue]="item.normalizedName" [nzLabel]="item.displayName">
+          </nz-option>
         </nz-select>
       </nz-form-control>
     </nz-form-item>
@@ -36,4 +46,4 @@
       </nz-form-control>
     </nz-form-item>
   </form>
-</div>
+</div>
\ No newline at end of file
diff --git a/src/app/system-management/user/edituser/edituser.component.html b/src/app/system-management/user/edituser/edituser.component.html
index 1b2ecab..e4c332d 100644
--- a/src/app/system-management/user/edituser/edituser.component.html
+++ b/src/app/system-management/user/edituser/edituser.component.html
@@ -16,15 +16,26 @@
     </nz-form-item>
     <nz-form-item>
       <nz-form-control>
-        <nz-tree-select [nzDropdownClassName]="'maxHeightTreeSelect'" [(ngModel)]="data.organizationUnitId" formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构">
-
+        <nz-tree-select [nzDropdownClassName]="'maxHeightTreeSelect'" [(ngModel)]="data.organizationUnitId"
+          formControlName="organization" [nzNodes]="nodes" nzPlaceHolder="请选择所属机构"
+          [nzExpandedIcon]="multiExpandedIconTpl">
         </nz-tree-select>
+        <ng-template #multiExpandedIconTpl let-node let-origin="origin">
+          <ng-container *ngIf="node.children.length == 0; else elseTemplate">
+
+          </ng-container>
+          <ng-template #elseTemplate>
+            <i nz-icon [nzType]="node.isExpanded ? 'caret-down' : 'caret-right'"
+              class="ant-tree-switcher-line-icon"></i>
+          </ng-template>
+        </ng-template>
       </nz-form-control>
     </nz-form-item>
     <nz-form-item>
       <nz-form-control>
         <nz-select [(ngModel)]="data.roleNames" formControlName="role" nzPlaceHolder="请选择角色" nzMode="multiple">
-          <nz-option *ngFor="let item of listOfData" [nzValue]="item.normalizedName" [nzLabel]="item.displayName"></nz-option>
+          <nz-option *ngFor="let item of listOfData" [nzValue]="item.normalizedName" [nzLabel]="item.displayName">
+          </nz-option>
         </nz-select>
       </nz-form-control>
     </nz-form-item>
@@ -36,4 +47,4 @@
       </nz-form-control>
     </nz-form-item>
   </form>
-</div>
+</div>
\ No newline at end of file