diff --git a/src/MeoAssistance/InfrastPowerTask.cpp b/src/MeoAssistance/InfrastPowerTask.cpp
index 87b8ad0805..fe85c5295e 100644
--- a/src/MeoAssistance/InfrastPowerTask.cpp
+++ b/src/MeoAssistance/InfrastPowerTask.cpp
@@ -16,9 +16,8 @@ bool asst::InfrastPowerTask::run()
     // 发电站只能造这一个
     set_product("Drone");
 
-    swipe_to_the_left_of_main_ui();
-
-    for (int i = 0; i != 3; ++i) {
+    for (int i = 0; i != MaxNumOfFacility; ++i) {
+        swipe_to_the_left_of_main_ui();
         enter_facility(FacilityName, i);
 
         if (!enter_oper_list_page()) {
diff --git a/src/MeoAssistance/InfrastPowerTask.h b/src/MeoAssistance/InfrastPowerTask.h
index 232056bc02..c3835af2d1 100644
--- a/src/MeoAssistance/InfrastPowerTask.h
+++ b/src/MeoAssistance/InfrastPowerTask.h
@@ -11,6 +11,7 @@ namespace asst {
 
         const static std::string FacilityName;
         const static int MaxNumOfOpers = 1;
+        const static int MaxNumOfFacility = 3;
     private:
     };
 }