fix: clarify client amounts and log date filters

src/components/ui/DateRangeInput.tsx

@@ -9,6 +9,7 @@ export type DateRangeValue = {
 type DateRangeInputProps = {
   className?: string;
   label?: string;
+  placeholder?: string;
   value: DateRangeValue;
   onChange: (value: DateRangeValue) => void;
 };
@@ -66,7 +67,7 @@ function getCalendarDays(viewDate: Date) {
   });
 }
 
-export function DateRangeInput({ className = '', label, value, onChange }: DateRangeInputProps) {
+export function DateRangeInput({ className = '', label, placeholder = '选择提交时间区间', value, onChange }: DateRangeInputProps) {
   const [open, setOpen] = useState(false);
   const [viewDate, setViewDate] = useState(() => parseDate(value.start) ?? new Date());
   const startDate = parseDate(value.start);
@@ -83,8 +84,8 @@ export function DateRangeInput({ className = '', label, value, onChange }: DateR
       return `${value.start} 至 ...`;
     }
 
-    return '选择提交时间区间';
-  }, [value.end, value.start]);
+    return placeholder;
+  }, [placeholder, value.end, value.start]);
 
   function moveMonth(offset: number) {
     setViewDate((current) => new Date(current.getFullYear(), current.getMonth() + offset, 1));

src/components/ui/SystemLogExport.tsx

@@ -3,7 +3,7 @@ import { Download, RotateCcw } from 'lucide-react';
 import type { SystemLogExportResult } from '@/api/adminApi';
 import { Button } from './Button';
 
-type Filters = { keyword?: string; level?: string; module?: string; range?: string };
+type Filters = { keyword?: string; level?: string; module?: string; range?: string; createdAtFrom?: string; createdAtTo?: string };
 
 export function SystemLogExport({
   portal,