diff --git a/translations/deepin-deb-installer_pt_BR.ts b/translations/deepin-deb-installer_pt_BR.ts
index 51801488..c8272be6 100644
--- a/translations/deepin-deb-installer_pt_BR.ts
+++ b/translations/deepin-deb-installer_pt_BR.ts
@@ -55,22 +55,22 @@
         <location filename="../src/deb-installer/view/pages/debinstaller.cpp" line="130"/>
         <location filename="../src/deb-installer/view/pages/debinstaller.cpp" line="537"/>
         <source>Installing other packages... Please open it later.</source>
-        <translation type="unfinished"/>
+        <translation>Instalando outros pacotes... Abra-o mais tarde.</translation>
     </message>
     <message>
         <location filename="../src/deb-installer/view/pages/debinstaller.cpp" line="541"/>
         <source>Parsing failed: An illegal file structure was found in the manifest file!</source>
-        <translation type="unfinished"/>
+        <translation>A análise falhou: Foi encontrada uma estrutura de arquivo ilegal no arquivo de manifesto!</translation>
     </message>
     <message>
         <location filename="../src/deb-installer/view/pages/debinstaller.cpp" line="543"/>
         <source>Parsing failed: An illegal version number was found in the manifest file!</source>
-        <translation type="unfinished"/>
+        <translation>A análise falhou: Foi encontrado um número de versão ilegal no arquivo de manifesto!</translation>
     </message>
     <message>
         <location filename="../src/deb-installer/view/pages/debinstaller.cpp" line="545"/>
         <source>No deb packages found. Please check the folder.</source>
-        <translation type="unfinished"/>
+        <translation>Nenhum pacote .deb foi encontrado. Verifique a pasta.</translation>
     </message>
     <message>
         <location filename="../src/deb-installer/view/pages/debinstaller.cpp" line="631"/>
@@ -127,14 +127,14 @@
     </message>
     <message>
         <location filename="../src/deb-installer/model/deblistmodel.cpp" line="117"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="621"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="632"/>
         <source>Invalid digital signature</source>
         <translation>Assinatura digital inválida</translation>
     </message>
     <message>
         <location filename="../src/deb-installer/model/deblistmodel.cpp" line="124"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="614"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1564"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="625"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1576"/>
         <source>The administrator has set policies to prevent installation of this package</source>
         <translation>O administrador definiu políticas para impedir a instalação deste pacote</translation>
     </message>
@@ -144,76 +144,88 @@
         <translation>A instalação falhou</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="623"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="634"/>
         <source>Failed to install %1</source>
-        <translation>Falha ao instalar %1</translation>
+        <translation>Falha na instalação %1</translation>
+    </message>
+    <message>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1617"/>
+        <source>This package does not have a valid digital signature and has been blocked from installing/running. Go to Security Center &gt; Tools &gt; App Security to change the settings.</source>
+        <translation>Este pacote não tem uma assinatura digital válida e foi impedido de ser instalado/executado. Acesse a Central de Segurança &gt; Ferramentas &gt; Segurança de Aplicativos para alterar as configurações.</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="911"/>
         <source>Failed to install %1: no valid digital singature</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="949"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="961"/>
         <source>Unable to install - no digital signature</source>
         <translation>Impossível instalar - nenhuma assinatura digital</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="950"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="962"/>
         <source>Please go to Control Center to enable developer mode and try again. Proceed?</source>
         <translation>Acesse a Central de Controle para ativar o modo de desenvolvedor. Continuar?</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="953"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="965"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1620"/>
         <source>Cancel</source>
         <comment>button</comment>
         <translation>Cancelar</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="954"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="966"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1621"/>
         <source>Proceed</source>
         <comment>button</comment>
         <translation>Continuar</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="907"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1009"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1566"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="919"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1021"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1578"/>
         <source>OK</source>
         <comment>button</comment>
         <translation>Ok</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1047"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="923"/>
+        <source>Failed to install %1: no valid digital signature</source>
+        <translation>Falha ao instalar %1: nenhuma assinatura digital válida</translation>
+    </message>
+    <message>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1059"/>
         <source>This package does not have a valid digital signature. Continue with the installation?</source>
         <translation>Este pacote não possuí uma assinatura digital válida. Continuar com a instalação?</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1049"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1061"/>
         <source>Cancel</source>
         <translation>Cancelar</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1050"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1062"/>
         <source>Continue</source>
         <comment>button</comment>
         <translation>Continuar</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="905"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1006"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1563"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="917"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1018"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1575"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1616"/>
         <source>Unable to install</source>
         <translation>Impossível instalar</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1007"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="1019"/>
         <source>This package does not have a valid digital signature</source>
         <translation>Este pacote não possui uma assinatura digital válida</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="626"/>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="631"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="637"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="642"/>
         <source>Broken dependencies: %1</source>
         <translation>Dependências quebradas: %1</translation>
     </message>
@@ -223,7 +235,7 @@
         <translation>A autenticação falhou</translation>
     </message>
     <message>
-        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="612"/>
+        <location filename="../src/deb-installer/model/deblistmodel.cpp" line="623"/>
         <source>Unmatched package architecture</source>
         <translation>Arquitetura do pacote incompatível</translation>
     </message>
@@ -394,6 +406,16 @@
         <source>Check digital signatures if the developer mode is enabled</source>
         <translation>Verificar as assinaturas digitais se o modo desenvolvedor estiver ativo</translation>
     </message>
+    <message>
+        <location filename="../src/deb-installer/view/pages/settingdialog.cpp" line="77"/>
+        <source>To install unsigned apps, go to Security Center &gt; Tools &gt; App Security, and select the app types that can be installed.</source>
+        <translation>Para instalar aplicativos não assinados, acesse a Central de Segurança &gt; Ferramentas &gt; Segurança de Aplicativos e selecione os tipos de aplicativos que podem ser instalados.</translation>
+    </message>
+    <message>
+        <location filename="../src/deb-installer/view/pages/settingdialog.cpp" line="79"/>
+        <source>Security Center &gt; Tools &gt; App Security</source>
+        <translation>Central de Segurança &gt; Ferramentas &gt; Segurança de Aplicativos</translation>
+    </message>
 </context>
 <context>
     <name>SingleInstallPage</name>
@@ -435,7 +457,7 @@
     <message>
         <location filename="../src/deb-installer/view/pages/singleinstallpage.cpp" line="1011"/>
         <source>Failed to install %1</source>
-        <translation>Falha ao instalar %1</translation>
+        <translation>Falha na instalação %1</translation>
     </message>
     <message>
         <location filename="../src/deb-installer/view/pages/singleinstallpage.cpp" line="178"/>
@@ -597,7 +619,7 @@ O sistema e/ou outros aplicativos podem não funcionar corretamente</translation
     <message>
         <location filename="../src/deb-installer/main.cpp" line="50"/>
         <source>Package Installer helps users install and remove local packages, and supports bulk installation.</source>
-        <translation>O Instalador de Pacotes auxilia os usuários a instalar e remover pacotes, e permite a instalação em massa.</translation>
+        <translation>O Instalador de Pacotes ajuda os usuários a instalar e remover os pacotes; além de, permitir a instalação em massa.</translation>
     </message>
 </context>
 </TS>
\ No newline at end of file