diff --git a/ups_management/ups_manager/forms.py b/ups_management/ups_manager/forms.py
index 679f234..8a66df3 100644
--- a/ups_management/ups_manager/forms.py
+++ b/ups_management/ups_manager/forms.py
@@ -4,13 +4,6 @@ from .models import UPSHost, Battery
 
 
 class UPSHostForm(forms.ModelForm):
-    last_maintenance_date = forms.DateField(
-        required=False,
-        label='上次维保时间',
-        input_formats=['%Y-%m-%d'],
-        widget=forms.DateInput(attrs={'class': 'form-control datepicker', 'placeholder': '选择日期'}, format='%Y-%m-%d'),
-    )
-
     class Meta:
         model = UPSHost
         fields = ['brand', 'model', 'ip_address', 'quantity', 'location', 'last_maintenance_date', 'contact']
@@ -20,6 +13,7 @@ class UPSHostForm(forms.ModelForm):
             'ip_address': 'IP地址',
             'quantity': '数量',
             'location': '存放位置',
+            'last_maintenance_date': '上次维保时间',
             'contact': '联系人',
         }
         widgets = {
@@ -28,6 +22,7 @@ class UPSHostForm(forms.ModelForm):
             'ip_address': forms.TextInput(attrs={'class': 'form-control'}),
             'quantity': forms.NumberInput(attrs={'class': 'form-control', 'min': '1'}),
             'location': forms.TextInput(attrs={'class': 'form-control'}),
+            'last_maintenance_date': forms.DateInput(attrs={'class': 'form-control datepicker', 'type': 'text', 'placeholder': 'YYYY-MM-DD'}),
             'contact': forms.Select(attrs={'class': 'form-control'}),
         }
 
@@ -51,6 +46,8 @@ class BatteryForm(forms.ModelForm):
             'weight': forms.NumberInput(attrs={'class': 'form-control form-control-sm', 'step': '0.1'}),
             'quantity': forms.NumberInput(attrs={'class': 'form-control form-control-sm', 'min': '1'}),
             'location': forms.TextInput(attrs={'class': 'form-control form-control-sm'}),
+            'install_date': forms.DateInput(attrs={'class': 'form-control form-control-sm datepicker-battery', 'type': 'text', 'placeholder': 'YYYY-MM-DD'}),
+            'last_maintenance_date': forms.DateInput(attrs={'class': 'form-control form-control-sm datepicker-battery', 'type': 'text', 'placeholder': 'YYYY-MM-DD'}),
         }
 
 
diff --git a/ups_management/ups_manager/views.py b/ups_management/ups_manager/views.py
index 6808933..fcb0f87 100644
--- a/ups_management/ups_manager/views.py
+++ b/ups_management/ups_manager/views.py
@@ -118,14 +118,21 @@ class UPSHostUpdateView(UpdateView):
         return context
     
     def form_valid(self, form):
-        self.object = form.save()
         context = self.get_context_data()
         battery_formset = context['battery_formset']
+        
         if battery_formset.is_valid():
+            self.object = form.save()
             battery_formset.instance = self.object
             battery_formset.save()
-        messages.success(self.request, 'UPS主机和电池信息已更新')
-        return redirect(self.success_url)
+            messages.success(self.request, 'UPS主机和电池信息已更新')
+            return redirect(self.success_url)
+        else:
+            return render(self.request, self.template_name, {
+                'form': form,
+                'battery_formset': battery_formset,
+                'object': self.object,
+            })
 
 
 class UPSHostDeleteView(DeleteView):