diff --git a/ui/hand_acid_mainboard_ui.HMI b/ui/hand_acid_mainboard_ui.HMI
index 60ca53e..5b6f84a 100644
Binary files a/ui/hand_acid_mainboard_ui.HMI and b/ui/hand_acid_mainboard_ui.HMI differ
diff --git a/usrc/service/page/Page_login.cpp b/usrc/service/page/Page_login.cpp
index 5e7b182..0e0962e 100644
--- a/usrc/service/page/Page_login.cpp
+++ b/usrc/service/page/Page_login.cpp
@@ -50,14 +50,11 @@ void Page_login::OnPageLoad() {
   UIS->setVal(PAGE, OBJ(cUsrName), getCfgStr((config_index_t)(kusr_name0)));
 
   if (!UIS->isFromPopWin()) {
-    memset(txtPasswdCache, 0, sizeof(txtPasswdCache));
+    UIS->setVal(PAGE, OBJ(txtPasswd), "");
   }
-
-  UIS->setVal(PAGE, OBJ(txtPasswd), txtPasswdCache);
 }
 void Page_login::OnInputFieldContentChange(uint8_t bid, const char* text) {
   if (bid == OBJ(txtPasswd)) {
-    strncpy(txtPasswdCache, text, sizeof(txtPasswdCache));
     UIS->setVal(PAGE, bid, text);
     UIS->virtualClick(PAGE, OBJ(blogin), 0);  // 触发一次登录按钮虚拟点击事件
   }
@@ -87,8 +84,8 @@ void Page_login::OnLoginButtonClick(uint8_t bid, const char* userName, const cha
     ZLOGI(TAG, "%s login success ", userName);
     GSM->setLogin(false, userName);
   }
+
   UIS->chpage(pg_main);
-  UIS->setVal(PAGE, OBJ(txtPasswd), "");
   GSM->setMenuPage(GSM->isAdmin() ? pg_menuAdmin2 : pg_menuUsr);
   return;
 }
diff --git a/usrc/service/page/Page_login.hpp b/usrc/service/page/Page_login.hpp
index dfa3a6d..3bf760d 100644
--- a/usrc/service/page/Page_login.hpp
+++ b/usrc/service/page/Page_login.hpp
@@ -7,7 +7,6 @@ class Page_login : public IPageProcesser {
  private:
   /* data */
 
-  char txtPasswdCache[20] = {0};
 
  public:
   static Page_login* ins() {