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/member/modify_face.vue

@@ -92,7 +92,7 @@ export default {
 				},
 				fail: () => {
 					this.$util.showToast({
-						title: this.$lang('member.uploadAvatarFailed')
+						title: '头像上传失败'
 					});
 				}
 			});
@@ -114,7 +114,7 @@ export default {
 						this.memberInfo.headimg = this.imgurl;
 						this.$store.commit('setMemberInfo', this.memberInfo);
 						this.$util.showToast({
-							title: this.$lang('member.avatarModifySuccess')
+							title: '头像修改成功'
 						});
 						setTimeout(() => {
 							this.$util.redirectTo('/pages_tool/member/info', {}, 'redirectTo');