refactor: 替换多页面国际化文本为硬编码中文内容

移除项目内大部分$lang()国际化调用，替换为直接中文文本，统一前端展示文案

pages_tool/weapp/order_shipping.vue

@@ -17,7 +17,7 @@
 				this.outTradeNo = option.merchant_trade_no;
 				this.getOrderDetailPath();
 			}else{
-				this.errorMsg = this.$lang('weapp.missingMerchantTradeNo');
+				this.errorMsg = '缺少merchant_trade_no参数';
 			}
 		},
 		methods: {
@@ -29,7 +29,7 @@
 					},
 					success: res => {
 						if (res.code < 0) {
-							this.errorMsg = res.message || this.$lang('weapp.unknownError');
+							this.errorMsg = res.message || '未知错误';
 						}else{
 							this.$util.redirectTo(res.data);
 						}