diff --git a/documents/업무/2월/02_TODO_PhoneBook b/documents/업무/2월/02_TODO_PhoneBook
index 0d41a68..07cee09 100644
--- a/documents/업무/2월/02_TODO_PhoneBook
+++ b/documents/업무/2월/02_TODO_PhoneBook
@@ -21,4 +21,23 @@ contact json model
       "image":"~~~~~~"
     },
   ]
-}
\ No newline at end of file
+}
+
+개발서버
+  package.json
+    "build:lf:renderer": "cross-env NODE_ENV=production ng build -c renderer-lf-production --base-href ./", 
+    위 부분을
+    "build:lf:renderer": "cross-env NODE_ENV=production ng build -c renderer-lf-development --base-href ./",
+  app-translate.module.ts 
+    case NativeType.Electron:
+      prefix = environment.production
+        ? '/dist/ucap-webmessenger-app/assets/i18n/'                  // production version
+        : '/projects/ucap-webmessenger-app/src/assets/i18n/';         // development version
+    // 개발 버전으로 묶을때
+    case NativeType.Electron:
+      prefix = environment.production
+        ? '/dist/ucap-webmessenger-app/assets/i18n/'          
+        : '/dist/ucap-webmessenger-app/assets/i18n/';                 
+
+장책임에게 인증서 관련 문의 
+  PC MFC 버전 인증서로 하고 있다.
\ No newline at end of file