为什么django-select2 modelselect2widget小部件不能检索结果

我使用django-select2以模型形式表示部门（foreignkey）。我按照文档安装了django-select2，包括放置{form.media.js}和{{form.media.css}}标记，但由于某些原因，select2小部件没有检索任何结果。我检查了浏览器控制台日志并显示以下错误：jquery.deferred exception:数据未定义s2</</hideplaceholder.prototype。removeplaceholder@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4216:24
下面是表单的定义

class WorkerForm(forms.ModelForm):

    class Meta:
        model = WorkerModel
        exclude = ("id",)
        widgets = {

            'name':forms.TextInput(attrs={'class': 'form-control'}),
            'surname1' : forms.TextInput(attrs={'class': 'form-control'}),
            'surname2' : forms.TextInput(attrs={'class': 'form-control'}),
            'identification':forms.TextInput(attrs={'class': 'form-control'}),
            'birthday_date' :forms.DateInput(attrs={'class': 'form-control datepicker', 'autocomplete': 'off'}),

            'type' :forms.Select(attrs={'class': 'form-control'}),
            'department' : ModelSelect2Widget(model=DepartmentModel, queryset=DepartmentModel.objects.filter(),
                                            search_fields=['name__icontains'],
                                            attrs={'style': 'width: 100%;','data-placeholder':'Seleccionar'}),
            'is_social_service': forms.CheckboxInput(attrs={'class': 'form-control i-checks'}),
            }

这是完整的控制台日志
jquery.deferred exception:数据未定义s2</</hideplaceholder.prototype。removeplaceholder@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4216:24 calledmethod/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</hideplaceholder.prototype。append@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4199:25 calledmethod/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</results.prototype.bind/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:1098:12 s2</</observable.prototype。invoke@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:655:20 s2</</observable.prototype。trigger@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:645:12 s2</</select2.prototype。trigger@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5827:19s2</</select2.原型。\u注册事件/</<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5670:14 请求/$request<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:3637:17 mightthrow@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3766:29解决/</process<@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3834:12 settimeout handlerresolve/<@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3872:16fire@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3500:31firewith@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3630:7fire@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3638:10fire@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3500:31firewith@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3630:7done@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:9796:14回调/<@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:10057:17eventhandlernonnullsend@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:10076:18ajax@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:9690:15transport@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:3582:26request@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:3624:30 s2</ajaxadapter.prototype。query@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:3661:7s2</</minimuminputlength.prototype。query@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:3937:15 calledmethod/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</select2.原型。\u注册事件/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5669:24 s2</</observable.prototype。invoke@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:655:20 s2</</observable.prototype。trigger@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:645:12 s2</</select2.prototype。trigger@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5827:19s2</</select2.原型。\u注册DropDownEvents/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5629:12 s2</</observable.prototype。invoke@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:655:20s2</</observable.prototype。trigger@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:649:12 s2</</search.prototype。handlesearch@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4174:12 calledmethod/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</search.prototype.bind/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4120:12 dispatch@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:5430:27 add/elemdata。handle@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:5234:28eventlistener。handleeventadd@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:5282:12 on/<@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:5182:16each@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:385:19each@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:207:17on@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:5181:14on@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:5906:10 s2</</search.prototype。bind@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4114:18称为方法/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</closeonselect.prototype。bind@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4682:15 calledmethod/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</attachbody.prototype。bind@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:4338:15 calledmethod/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:598:32 s2</</select2.prototype_bindadapters@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5536:19select2@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:5418:10 s2</$.fn.select2/<@http://127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:6762:26 each@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:385:19each@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:207:17s2</$.fn。select2@http：//127.0.0.1:8000/static/assets/plugins/select2/js/select2.full.js:6759:14initheavy@http：//127.0.0.1:8000/static/django_select2/django_select2.js:48:14$.fn.djangoselect2/<@http://127.0.0.1:8000/static/django_select2/django_select2.js:56:18 each@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:385:19$.fn。djangoselect2@http：//127.0.0.1:8000/static/django_select2/django_select2.js:53:7@http://127.0.0.1:8000/static/django_select2/django_select2.js:71:26 mightthrow@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3766:29 resolve/</process<@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3834:12设置超时handlerresolve/<@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3872:16fire@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3500:31firewith@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3630:7fire@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3638:10fire@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3500:31firewith@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:3630:7ready@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:4110:13completed@http：//127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:4120:9eventlistener.handleevent*@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:4136:11@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:36:10@http://127.0.0.1:8000/static/assets/plugins/jquery/jquery-3.6.0.js:40:4未定义

为什么django-select2 modelselect2widget小部件不能检索结果

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