refactor(pages): 更新 TIM 版本显示逻辑

- 将版本显示从 'version' 更改为 'version_code' 字段
- 修改相关代码中的版本显示逻辑，确保正确显示 TIM 版本信息

Author: ArcticFoxPro

source/pages/index/index.js

@@ -1555,27 +1555,27 @@ Page({
                     succeedExpBackFileSizeShare: `（大小：${isSuccess.fileSize} MB）`,
                     expVisible: false,
                     expBackWithUrlOnlyVisible: true,
-                    expJsonBackTitle: `TIM ${this.data.timVersions[0].version} 正式版`,
+                    expJsonBackTitle: `TIM ${this.data.timVersions[0].version_code} 正式版`,
                     expJsonBackResultTitle: "获取成功",
                     expBackStatus: "success",
                     getTimNewestLinkLoading: false
                 });
                 this.setData({
-                    expShareText: `Android TIM ${this.data.timVersions[0].version} 正式版${this.data.succeedExpBackFileSizeShare}\n\n下载地址：${url}`
+                    expShareText: `Android TIM ${this.data.timVersions[0].version_code} 正式版${this.data.succeedExpBackFileSizeShare}\n\n下载地址：${url}`
                 })
             } else {
                 this.setData({
                     successExpBackLink: url,
                     succeedExpBackFileSizeShare: "",
                     expVisible: false,
                     expBackWithUrlOnlyVisible: true,
-                    expJsonBackTitle: `TIM ${this.data.timVersions[0].version} 正式版`,
+                    expJsonBackTitle: `TIM ${this.data.timVersions[0].version_code} 正式版`,
                     expJsonBackResultTitle: "获取成功",
                     expBackStatus: "success",
                     getTimNewestLinkLoading: false
                 });
                 this.setData({
-                    expShareText: `Android TIM ${this.data.timVersions[0].version} 正式版\n\n下载地址：${url}`
+                    expShareText: `Android TIM ${this.data.timVersions[0].version_code} 正式版\n\n下载地址：${url}`
                 })
             }
         }).catch(err => {