diff --git a/app/app.pro b/app/app.pro
index ada7bd9deec962a28bf3daadd0ede1f4a4e30afc..d65f793746b748a9daeda62032f316baf980ae61 100644
--- a/app/app.pro
+++ b/app/app.pro
@@ -32,6 +32,7 @@ SOURCES += \
     task.cpp \
     controller.cpp \
     generalstatus.cpp \
+    elementslistmodel.cpp \
     service.cpp
 
 HEADERS += \
@@ -41,6 +42,7 @@ HEADERS += \
     updatable.h \
     task.h \
     controller.h \
+    elementslistmodel.h \
     generalstatus.h \
     service.h
 
diff --git a/app/service.cpp b/app/service.cpp
index d90acf176e942b6195b6da49605110d491586f3e..64e90f6f3244e46e65d9c9f3b48415cc056228b9 100644
--- a/app/service.cpp
+++ b/app/service.cpp
@@ -5,7 +5,7 @@ Service::Service()
 
 }
 
-Service::update()
+void Service::update()
 {
 
 }
diff --git a/app/service.h b/app/service.h
index e7d989fc70de60b041531bc9144b2e67dac10eaf..8b8233c1c88c20baf6325d69dfd212aebd6e587c 100644
--- a/app/service.h
+++ b/app/service.h
@@ -9,9 +9,11 @@ public:
     Service();
     int get_nbTask();
     QString get_details();
+    void update();
 private:
     int nbTask;
     QString details;
+
 };
 
 #endif // SERVICE_H