refactor: 统一项目内国际化key的命名空间格式

本次提交对全项目的国际化调用进行了规范化重构：
1. 为中文/英文语言包新增了avatar和gender的别名映射，兼容旧有headImg/sex写法
2. 修正了lang.js中的注释路径错误
3. 将所有页面和组件内的$lang调用从短路径改为带业务模块前缀的完整命名空间路径，例如将$lang('title')改为$lang('article.list.title')
4. 优化了i18n-lazy.js的注释说明，补充了正确的key命名格式示例
5. 统一了分销、订单、会员等模块的国际化key层级，确保所有语言调用路径一致

pages_tool/member/balance_detail.vue

@@ -38,12 +38,12 @@
 							</view>
 							<view class="balances-num">
 								<text :class="item.account_data > 0 ? 'color-base-text' : ''">{{ (item.account_data > 0 ?
-									'+' + item.account_data : item.account_data) + $lang('yuan') }}</text>
+									'+' + item.account_data : item.account_data) + $lang('member.balance_detail.yuan') }}</text>
 							</view>
 						</view>
 					</view>
 				</block>
-				<block v-else><ns-empty :isIndex="false" :text="$lang('emptyTips')"></ns-empty></block>
+				<block v-else><ns-empty :isIndex="false" :text="$lang('member.balance_detail.emptyTips')"></ns-empty></block>
 				<!-- 无明细列表 -->
 			</block>
 		</mescroll-uni>
@@ -62,13 +62,13 @@ export default {
 		return {
 			dataList: [],
 			statusList: [{
-				name: this.$lang('filterAll'),
+				name: this.$lang('member.balance_detail.filterAll'),
 				id: '0'
 			}, {
-				name: this.$lang('filterIncome'),
+				name: this.$lang('member.balance_detail.filterIncome'),
 				id: '1'
 			}, {
-				name: this.$lang('filterExpense'),
+				name: this.$lang('member.balance_detail.filterExpense'),
 				id: '2'
 			}],
 			scrollInto: '',
@@ -79,7 +79,7 @@ export default {
 				date: ''
 			},
 			balanceType: [{
-				label: this.$lang('filterAll'),
+				label: this.$lang('member.balance_detail.filterAll'),
 				value: '0'
 			}], //积分类型
 			balanceIndex: 0,
@@ -103,7 +103,7 @@ export default {
 		bindDateChange: function (e) {
 			var temp = e.target.value;
 			var tempArr = temp.split('-');
-			this.date = this.$lang('dateFormatYM', { year: tempArr[0], month: tempArr[1] });
+			this.date = this.$lang('member.balance_detail.dateFormatYM', { year: tempArr[0], month: tempArr[1] });
 			this.searchType.date = e.target.value;
 			this.$refs.mescroll.refresh();
 		},
@@ -120,7 +120,7 @@ export default {
 			}
 			month = month > 9 ? month : '0' + month;
 			day = day > 9 ? day : '0' + day;
-			return this.$lang('dateFormatYM', { year, month });
+			return this.$lang('member.balance_detail.dateFormatYM', { year, month });
 		},
 		bindPickerChange(e) {
 			this.balanceIndex = e.detail.value;
@@ -134,7 +134,7 @@ export default {
 				success: res => {
 					let balanceType = Object.assign(res.balance, res.balance_money),
 						typeArr = [{
-							label: this.$lang('filterAll'),
+							label: this.$lang('member.balance_detail.filterAll'),
 							value: '0'
 						}];
 					for (var index in balanceType) {