diff --git a/documents/업무/4월/2째주/0408.txt b/documents/업무/4월/2째주/0408.txt
new file mode 100644
index 0000000..a1efc55
--- /dev/null
+++ b/documents/업무/4월/2째주/0408.txt
@@ -0,0 +1,30 @@
+로그인 요청	
+  LoginID(s)	
+  LoginPW(e)	
+  단말타입(s)	
+  디바이스ID(s)	
+  Token(n)	
+  언어코드(s)	push_ID(255)
+	기관코드(s)	PW_ENC_T(n)	Client버전(s)	
+  재연결여부(s)	IP(s)	
+  호스트명(s)	Push_Type(s)
+	Hash(s)	안드로이드 ID(s)	push_ID 갱신여부
+
+  read effect 중복 호출에 대한 처리 필요
+    layout/messages.component 
+    main.page.component
+    
+
+
+  this.externalApiService.urlInfo()
+  this.queryProtocolService.auth()
+  this.optionProtocolService.regView()
+  this.externalApiService.companyList()
+
+
+  네트워크 절체시 재로그인 확인
+  externalProtocolService companyList 요청 시 에러 처리
+  form.component ExpressionChangedAfterItHasBeenCheckedError 처리
+
+  VM3151 htmlfile:8 Uncaught DOMException: Blocked a frame with origin "http://localhost:4200" from accessing a cross-origin frame.
+  at http://localhost:4200/sockjs-node/679/1x4temz3/htmlfile?c=_jp.aqz3vhe:8:20
\ No newline at end of file
diff --git a/documents/업무/4월/2째주/next-ucap-messenger-lf-2020-0408-1750.zip b/documents/업무/4월/2째주/next-ucap-messenger-lf-2020-0408-1750.zip
new file mode 100644
index 0000000..6918983
Binary files /dev/null and b/documents/업무/4월/2째주/next-ucap-messenger-lf-2020-0408-1750.zip differ
diff --git a/documents/업무/dev/error관리.txt b/documents/업무/dev/error관리.txt
new file mode 100644
index 0000000..544d9a2
--- /dev/null
+++ b/documents/업무/dev/error관리.txt
@@ -0,0 +1,39 @@
+에러 내용
+  [12864:9072:0408/111520.938:ERROR:crash_report_database_win.cc(469)] failed to stat report
+관련 URL
+  https://support.google.com/chrome/thread/24760716?hl=en
+
+
+네트워크 재연결 시 companyList 요청 에러
+  company/effect.ts
+  login.page.component (142 line)
+  external-api.service (companyList)
+
+form.component ExpressionChangedAfterItHasBeenCheckedError 처리
+
+
+"Uncaught (in promise) Error: Could not instantiate: ProductRegistryImpl.Registry", source: devtools://devtools/bundled/shell.js (109)
+
+[15240:0408/113136.402:ERROR:CONSOLE(3256)] "elements are not in the same shadow dom", source: devtools://devtools/bundled/shell.js (3256)
+
+기본 download path 로드 시 파일 읽기&쓰기 권한이 있는지 체크
+
+[12864:5084:0408/153520.773:ERROR:crash_report_database_win.cc(469)] failed to stat report
+
+
+
+moment.js:293 Deprecation warning: value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are discouraged and will be removed in an upcoming major release. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.
+Arguments: 
+[0] _isAMomentObject: true, _isUTC: false, _useUTC: false, _l: undefined, _i: 2020.04.01 16:30, _f: undefined, _strict: undefined, _locale: [object Object]
+Error
+    at Function.createFromInputFallback (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:215743:98)
+    at configFromString (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:217808:15)
+    at configFromInput (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:218034:13)
+    at prepareConfig (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:218017:13)
+    at createFromConfig (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:217984:44)
+    at createLocalOrUTC (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:218071:16)
+    at createLocal (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:218075:16)
+    at hooks (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:215435:29)
+    at ScheduleComponent.push.../ucap-webmessenger-ui-chat/src/lib/components/message-box/schedule.component.ts.ScheduleComponent.ngOnInit (http://localhost:4200/main.98397ea5c1c03081977f.js:23198:74)
+    at checkAndUpdateDirectiveInline (http://localhost:4200/vendor.35db6e7b23db795aa11c.js:90984:19)
+ScheduleComponent.push.../ucap-webmessenger-ui-chat/src/lib/components/message-box/schedule.component.ts.ScheduleComponent.ngOnInit (http://localhost:4200/main.98397ea5c1c03081977f.js:23198:74)
diff --git a/documents/업무/dev/memo.txt b/documents/업무/dev/memo.txt
index ff6d79e..1a4d33f 100644
--- a/documents/업무/dev/memo.txt
+++ b/documents/업무/dev/memo.txt
@@ -1 +1,3 @@
 PC에서 대화방 이름 변경 -> 모바일에서 알림 ON/OFF -> 노티피케이션에 roomName이 '' 로 전달
+
+최근통화기록이 없을 때 화면 문구 추가
\ No newline at end of file