diff --git a/envar-tool.js b/envar-tool.js
index 647f544..2ae2c4e 100644
--- a/envar-tool.js
+++ b/envar-tool.js
@@ -15,7 +15,7 @@ module.exports = {
   start_watching ({ envarFiles = ['./envar-config.js', './envar-config.gitignore.js'], rawEnvar = {}, interval = 1000 } = {}) {
     chokidar.watch(envarFiles, { interval }).on('change', (onpath) => {
       // .on('all', (event, onpath)) 但这时，即使server刚启动，也会调用到这里一次
-      console.log('envarTool.start_watching: envar file changed:', onpath)
+      globalThis.wo?.cclog?.('envarTool.start_watching: envar file changed:', onpath)
       try {
         // 或者调用 get_dynamic_envar。
         delete require.cache[require.resolve(path.resolve(onpath))]
@@ -24,10 +24,10 @@ module.exports = {
         // 注意，assign_deep 会用 newEnvar 里的 undefined 属性覆盖掉 rawEnvar 里的原属性！所以要注意保持一致。（这和发送到前端的不一样，发送到前端的会被 JSON.stringify 以及 express 过滤掉 undefined.)
         // 目前的解决方案里，已通过 base2app 参数来确保只在发送给前端时才设置 undefined，但为防万一，在这里通过 JSON.stringify 确保删除了 undefined
         assign_deep(rawEnvar, JSON.parse(JSON.stringify(newEnvar)))
-        console.log(`envarTool.start_watching: OK reload ${onpath}`)
+        globalThis.wo?.cclog?.(`envarTool.start_watching: OK reload ${onpath}`)
         globalthis.wo?.eventCenter?.emit?.('ENVAR_UPDATED', { envarFile: onpath })
       } catch (expt) {
-        console.log(`envarTool.start_watching: Fail reload ${onpath}`)
+        globalThis.wo?.cclog?.(`envarTool.start_watching: Fail reload ${onpath}`)
       }
     })
   },
@@ -39,15 +39,15 @@ module.exports = {
    *  - 对象: 直接添加到 rawEnvar 上。
    */
   merge_envar ({ rawEnvar = {}, envarFiles = ['./envar-config.js', './envar-config.gitignore.js'] } = {}) {
-    console.info({ _at: new Date().toJSON(), _from: 'merge_envar', about: `<<<<<<<< Configuring [${process.env.NODE_ENV}] Environment <<<<<<<<` }, '\n,')
+    globalThis.wo?.ccinfo?.({ _from: 'merge_envar', about: `<<<<<<<< Configuring [${process.env.NODE_ENV}] Environment <<<<<<<<` })
 
-    console.info({ _at: new Date().toJSON(), _from: 'merge_envar', about: '- Loading Configuration Files (读取配置文件)' }, '\n,')
+    globalThis.wo?.ccinfo?.({ _from: 'merge_envar', about: '- Loading Configuration Files (读取配置文件)' })
     if (typeof envarFiles === 'string') {
       // 例如当输入参数为 envarFiles = 'envar-config.js' 里面应当 module.exports 一个数组
       if (fs.existsSync(path.resolve(envarFiles))) {
         envarFiles = require(path.resolve(envarFiles))
       } else {
-        console.warn({ _at: new Date().toJSON(), _from: 'merge_envar', about: `  - ${envarFiles} is missing.` }, '\n,')
+        globalThis.wo?.ccwarn?.({ _from: 'merge_envar', about: `  - ${envarFiles} is missing.` })
         envarFiles = undefined
       }
     }
@@ -61,9 +61,9 @@ module.exports = {
           } else if (typeof fileContent === 'function') {
             assign_deep(rawEnvar, fileContent())
           }
-          console.info({ _at: new Date().toJSON(), _from: 'merge_envar', about: `  - ${configFile} is loaded.` }, '\n,')
+          globalThis.wo?.ccinfo?.({ _from: 'merge_envar', about: `  - ${configFile} is loaded.` })
         } else {
-          console.warn({ _at: new Date().toJSON(), _from: 'merge_envar', about: `  - ${configFile} is missing.` }, '\n,')
+          globalThis.wo?.ccwarn?.({ _from: 'merge_envar', about: `  - ${configFile} is missing.` })
         }
       }
     } else if (typeof envarFiles === 'object') {
@@ -71,18 +71,18 @@ module.exports = {
     } else if (typeof envarFiles === 'function') {
       assign_deep(rawEnvar, envarFiles())
     } else {
-      console.warn({ _at: new Date().toJSON(), _from: 'merge_envar', about: `  - unrecognized envarFiles!` }, '\n,')
+      globalThis.wo?.ccwarn?.({ _from: 'merge_envar', about: `  - unrecognized envarFiles!` })
     }
 
     if (process.argv.length > 2 && Array.isArray(rawEnvar.commanderOptions)) {
-      console.info({ _at: new Date().toJSON(), _from: 'merge_envar', about: '- Loading Command Line Parameters (载入命令行参数)' }, '\n,')
+      globalThis.wo?.ccinfo?.({ _from: 'merge_envar', about: '- Loading Command Line Parameters (载入命令行参数)' })
       const commander = require('commander')
       commander.version(rawEnvar.Base_Version || '0.0.1', '-v, --version') // 默认是 -V。如果要 -v，就要加 '-v --version'
       for (let [key, param, desc] of rawEnvar.commanderOptions || []) {
         commander.option(param, `${desc} Default = "${rawEnvar[key]}"`)
       }
       commander.parse(process.argv)
-      // console.log({_at:new Date().toJSON(),_from:'merge_envar', about: '- Merging Command Line Parameters into Configuration (把命令行参数值合并入配置)' },'\n,')
+      // globalThis.wo?.cclog?.({_at:new Date().toJSON(),_from:'merge_envar', about: '- Merging Command Line Parameters into Configuration (把命令行参数值合并入配置)' },'\n,')
       for (let key in commander) {
         if (!/^_/.test(key) && typeof commander[key] === 'string') {
           // commander 自带了一批 _开头的属性，过滤掉
@@ -92,17 +92,14 @@ module.exports = {
       delete rawEnvar.commanderOptions
     }
 
-    console.log(
-      { _at: new Date().toJSON(), _from: 'merge_envar', about: `>>>>>>>> Configured [${process.env.NODE_ENV || 'development'}] Environment >>>>>>>>` },
-      '\n,'
-    )
+    globalThis.wo?.cclog?.({ _from: 'merge_envar', about: `>>>>>>>> Configured [${process.env.NODE_ENV || 'development'}] Environment >>>>>>>>` }, '\n,')
 
     return rawEnvar
   },
 
   /* 读取动态配置文件中的环境变量。
    */
-  get_dynamic_envar ({ dynamicEnvarFiles = ['./envar-config.js', './envar-config.gitignore.js'], base2app } = {}) {
+  get_dynamic_envar ({ dynamicEnvarFiles = ['./envar-config.js', './envar-config.gitignore.js'], base2app, _clientInfo } = {}) {
     // config file should be absolute or relative to the node process's dir.
 
     let dynamicEnvar = {}
@@ -112,7 +109,7 @@ module.exports = {
       if (fs.existsSync(path.resolve(dynamicEnvarFiles))) {
         dynamicEnvarFiles = require(path.resolve(dynamicEnvarFiles))
       } else {
-        console.warn({ _at: new Date().toJSON(), _from: 'get_dynamic_envar', about: `  - ${dynamicEnvarFiles} is missing.` }, '\n,')
+        globalThis.wo?.ccwarn?.({ _from: 'get_dynamic_envar', about: `  - ${dynamicEnvarFiles} is missing.` })
         dynamicEnvarFiles = undefined
       }
     }
@@ -125,11 +122,11 @@ module.exports = {
           if (typeof fileContent === 'object') {
             assign_deep(dynamicEnvar, fileContent)
           } else if (typeof fileContent === 'function') {
-            assign_deep(dynamicEnvar, fileContent({ base2app }))
+            assign_deep(dynamicEnvar, fileContent({ base2app, _clientInfo }))
           }
-          console.info({ _at: new Date().toJSON(), _from: 'get_dynamic_envar', about: `  - ${dynamicFile} is parsed.` }, '\n,')
+          globalThis.wo?.ccinfo?.({ _from: 'get_dynamic_envar', about: `  - ${dynamicFile} is parsed.` })
         } else {
-          console.warn({ _at: new Date().toJSON(), _from: 'get_dynamic_envar', about: `  - ${dynamicFile} is missing.` }, '\n,')
+          globalThis.wo?.ccwarn?.({ _from: 'get_dynamic_envar', about: `  - ${dynamicFile} is missing.` })
         }
       }
     } else if (typeof dynamicEnvarFiles === 'object') {
@@ -137,7 +134,7 @@ module.exports = {
     } else if (typeof dynamicEnvarFiles === 'function') {
       dynamicEnvar = dynamicEnvarFiles()
     } else {
-      console.warn({ _at: new Date().toJSON(), _from: 'get_dynamic_envar', about: `  - unrecognized dynamicEnvarFiles!` }, '\n,')
+      globalThis.wo?.ccwarn?.({ _from: 'get_dynamic_envar', about: `  - unrecognized dynamicEnvarFiles!` })
     }
 
     return dynamicEnvar
@@ -155,12 +152,12 @@ module.exports = {
       if (fs.existsSync(path.resolve(secretEnvarFiles))) {
         secretEnvarFiles = require(path.resolve(secretEnvarFiles))
       } else {
-        console.warn({ _at: new Date().toJSON(), _from: 'mask_secret_envar', about: `  - ${secretEnvarFiles} is missing.` }, '\n,')
+        globalThis.wo?.ccwarn?.({ _from: 'mask_secret_envar', about: `  - ${secretEnvarFiles} is missing.` })
         secretEnvarFiles = undefined
       }
     }
 
-    console.info({ _at: new Date().toJSON(), _from: 'mask_secret_envar', about: `  - Parsing secretEnvarFiles...` }, '\n,')
+    globalThis.wo?.ccinfo?.({ _from: 'mask_secret_envar', about: `  - Parsing secretEnvarFiles...` })
     if (Array.isArray(secretEnvarFiles)) {
       for (let secretFile of secretEnvarFiles) {
         if (fs.existsSync(path.resolve(secretFile))) {
@@ -170,9 +167,9 @@ module.exports = {
           } else if (typeof fileContent === 'function') {
             assign_deep(secretEnvar, fileContent())
           }
-          console.info({ _at: new Date().toJSON(), _from: 'mask_secret_envar', about: `  - ${secretFile} is parsed.` }, '\n,')
+          globalThis.wo?.ccinfo?.({ _from: 'mask_secret_envar', about: `  - ${secretFile} is parsed.` })
         } else {
-          console.warn({ _at: new Date().toJSON(), _from: 'mask_secret_envar', about: `  - ${secretFile} is missing.` }, '\n,')
+          globalThis.wo?.ccwarn?.({ _from: 'mask_secret_envar', about: `  - ${secretFile} is missing.` })
         }
       }
     } else if (typeof secretEnvarFiles === 'object') {
@@ -180,7 +177,7 @@ module.exports = {
     } else if (typeof secretEnvarFiles === 'function') {
       dynamicEnvar = secretEnvarFiles()
     } else {
-      console.warn({ _at: new Date().toJSON(), _from: 'mask_secret_envar', about: `  - unrecognized secretEnvarFiles!` }, '\n,')
+      globalThis.wo?.ccwarn?.({ _from: 'mask_secret_envar', about: `  - unrecognized secretEnvarFiles!` })
     }
 
     for (let key in secretEnvar) {
@@ -194,14 +191,14 @@ module.exports = {
   envar_all ({ files = ['./envar-config.js', './envar-config.gitignore.js', './envar-secret.js', './envar-secret.gitignore.js'] } = {}) {
     let envar = this.get_envar({ inProcess: false, refresh: true, files })
     if (process.argv.length > 2 && Array.isArray(envar.commanderOptions)) {
-      console.info({ _at: new Date().toJSON(), _from: 'envar_all', about: '- Loading Command Line Parameters (载入命令行参数)' }, '\n,')
+      globalThis.wo?.ccinfo?.({ _from: 'envar_all', about: '- Loading Command Line Parameters (载入命令行参数)' })
       const commander = require('commander')
       commander.version(envar.Base_Version || '0.0.1', '-v, --version') // 默认是 -V。如果要 -v，就要加 '-v --version'
       for (let [key, param, desc] of envar.commanderOptions || []) {
         commander.option(param, `${desc} Default = "${envar[key]}"`)
       }
       commander.parse(process.argv)
-      // console.log({_at:new Date().toJSON(),_from:'envar_all', about: '- Merging Command Line Parameters into Configuration (把命令行参数值合并入配置)' },'\n,')
+      // globalThis.wo?.cclog?.({_at:new Date().toJSON(),_from:'envar_all', about: '- Merging Command Line Parameters into Configuration (把命令行参数值合并入配置)' },'\n,')
       for (let key in commander) {
         if (!/^_/.test(key) && typeof commander[key] === 'string') {
           // commander 自带了一批 _开头的属性，过滤掉
@@ -239,7 +236,7 @@ module.exports = {
       if (fs.existsSync(path.resolve(files))) {
         files = require(path.resolve(files))
       } else {
-        console.warn({ _at: new Date().toJSON(), _from: 'merge_envar_files', about: `  - ${files} is missing.` }, '\n,')
+        globalThis.wo?.ccwarn?.({ _from: 'merge_envar_files', about: `  - ${files} is missing.` })
         files = undefined
       }
     }
@@ -251,15 +248,15 @@ module.exports = {
             delete require.cache[require.resolve(path.resolve(envarFile))] // delete require.cache[fullpath] 不起作用，必须要加 require.resolve
           }
           assign_deep(envar, require(path.resolve(envarFile)))
-          console.info({ _at: new Date().toJSON(), _from: 'merge_envar_files', about: `  - ${envarFile} is parsed.` }, '\n,')
+          globalThis.wo?.ccinfo?.({ _from: 'merge_envar_files', about: `  - ${envarFile} is parsed.` })
         } else {
-          console.warn({ _at: new Date().toJSON(), _from: 'merge_envar_files', about: `  - ${envarFile} is missing.` }, '\n,')
+          globalThis.wo?.ccwarn?.({ _from: 'merge_envar_files', about: `  - ${envarFile} is missing.` })
         }
       }
     } else if (typeof files === 'object') {
       envar = files
     } else {
-      console.warn({ _at: new Date().toJSON(), _from: 'merge_envar_files', about: `  - unrecognized files!` }, '\n,')
+      globalThis.wo?.ccwarn?.({ _from: 'merge_envar_files', about: `  - unrecognized files!` })
     }
 
     return envar