diff --git a/usertool.js b/usertool.js
index 55d8b98..a196611 100644
--- a/usertool.js
+++ b/usertool.js
@@ -95,19 +95,19 @@ export default {
       
     // #ifdef H5
     if (uni.getSystemInfoSync().model==='PC') {
-      const envi = this.envi || wo?.envi || {}
-      if (envi.Responsive_Tabbar==='AUTOHIDE') {
-        if (window.screen.width > (envi.Responsive_Tabbar_Autohide_Width_Threshold || this.RESPONSIVE_TABBAR_AUTOHIDE_WIDTH_THRESHOLD_DEFAULT)) {
+      const envar = this.envar || wo?.envar || {}
+      if (envar.Responsive_Tabbar==='AUTOHIDE') {
+        if (window.screen.width > (envar.Responsive_Tabbar_Autohide_Width_Threshold || this.RESPONSIVE_TABBAR_AUTOHIDE_WIDTH_THRESHOLD_DEFAULT)) {
           uni.hideTabBar()
         }
         uni.onWindowResize(({size})=>{
-          if (size.windowWidth > (envi.Responsive_Tabbar_Autohide_Width_Threshold || this.RESPONSIVE_TABBAR_AUTOHIDE_WIDTH_THRESHOLD_DEFAULT)) {
+          if (size.windowWidth > (envar.Responsive_Tabbar_Autohide_Width_Threshold || this.RESPONSIVE_TABBAR_AUTOHIDE_WIDTH_THRESHOLD_DEFAULT)) {
             uni.hideTabBar()
           }else{
             uni.showTabBar()
           }
         })
-      }else if (envi.Responsive_Tabbar==='ALWAYSHIDE') {
+      }else if (envar.Responsive_Tabbar==='ALWAYSHIDE') {
         uni.hideTabBar()
       }
     }
@@ -115,7 +115,7 @@ export default {
   },
 
   makeServerUrl(route = '') {
-    const envi = this.envi || wo?.envi || {}
+    const envar = this.envar || wo?.envar || {}
 
     if (typeof route !== 'string') route = '' // 防止 route 为 null, undefined 等由于后台数据库默认值而造成的异常。
     route = route.replace('\\', '/')
@@ -126,16 +126,16 @@ export default {
     let protocol, hostname, port
 
     if (process.env.NODE_ENV === 'production') {
-      protocol = envi.Base_Protocol || 'https'
-      hostname = envi.Base_Hostname
-      port = envi.Base_Port
+      protocol = envar.Base_Protocol || 'https'
+      hostname = envar.Base_Hostname
+      port = envar.Base_Port
     }else{
-      protocol = envi.Base_Protocol_Dev || 'http'
-      hostname = envi.Base_Hostname_Dev
+      protocol = envar.Base_Protocol_Dev || 'http'
+      hostname = envar.Base_Hostname_Dev
         // #ifdef H5
         || window.location.hostname
         // #endif
-      port = envi.Base_Port_Dev || envi.Base_Port
+      port = envar.Base_Port_Dev || envar.Base_Port
         // #ifdef H5
         || window.location.port.replace(':','')
         // #endif
@@ -150,18 +150,18 @@ export default {
     return ''
   },
 
-  relaunchForAll ({envi=this.envi || wo?.envi || {}} = {}) {
-    uni.reLaunch({ url: envi?.Start_Page_For_All })
+  relaunchForAll ({envar=this.envar || wo?.envar || {}} = {}) {
+    uni.reLaunch({ url: envar?.Start_Page_For_All })
   },
-  relaunchForOnline ({envi=this.envi || wo?.envi || {}} = {}) {
+  relaunchForOnline ({envar=this.envar || wo?.envar || {}} = {}) {
     process.env.NODE_ENV === 'production' && 
     wo.ss.User.onlineUser.uuid && 
-    uni.reLaunch({ url: envi?.Start_Page_For_Online })
+    uni.reLaunch({ url: envar?.Start_Page_For_Online })
   },
-  relaunchForOffline ({envi=this.envi || wo?.envi || {}} ={}) {
+  relaunchForOffline ({envar=this.envar || wo?.envar || {}} ={}) {
     process.env.NODE_ENV === 'production' && 
     ! wo.ss.User.onlineUser.uuid && 
-    uni.reLaunch({ url: envi?.Start_Page_For_Offline })
+    uni.reLaunch({ url: envar?.Start_Page_For_Offline })
   },
 
   /** 统一 uni.request 和 uniCloud.callFunction 的调用方法，提供统一、透明的后台调用
@@ -171,7 +171,7 @@ export default {
    * - CLINET_BACKEND_EXCEPTION: 前端发现后台异常
   **/
   async callBackend({ 
-    backend = this.envi?.Backend_Default || wo?.envi?.Backend_Default || this.BACKEND_DEFAULT, 
+    backend = this.envar?.Backend_Default || wo?.envar?.Backend_Default || this.BACKEND_DEFAULT, 
     httpMethod = 'POST', 
     apiVersion = 'api', apiWho, apiTodo, apiWhat = {} 
   }) {
@@ -361,7 +361,7 @@ export default {
   },
 
   async pickupFile({ 
-    backend = this.envi?.Backend_Default || wo?.envi?.Backend_Default || this.BACKEND_DEFAULT,
+    backend = this.envar?.Backend_Default || wo?.envar?.Backend_Default || this.BACKEND_DEFAULT,
     mediaType = 'image', count = 1, sizeType = ['original', 'compressed'], sourceType = ['album', 'camera'], maxDuration,
     url, header = {}, formData = {}, name = 'file',
   }) {