diff --git a/services/src/concurrent_task_controller.cpp b/services/src/concurrent_task_controller.cpp
index 48eb64c5f549352a9a925e7167f9aa3c54843396..7ef52a00ee8a6fdeacfc9643e5ca88a2822c9c9e 100644
--- a/services/src/concurrent_task_controller.cpp
+++ b/services/src/concurrent_task_controller.cpp
@@ -354,29 +354,18 @@ void TaskController::NewForeground(int uid, int pid)
     } else {
         CONCUR_LOGE("auth_enable %{public}d fail with ret %{public}d", uid, ret);
     }
-    bool found = false;
+
     bool ddlEnabled = OHOS::system::GetBoolParameter(INTERVAL_DDL, false);
-    for (auto iter = foregroundApp_.begin(); iter != foregroundApp_.end(); iter++) {
-        if (iter->GetUid() == uid) {
-            found = true;
-            if (ddlEnabled) {
-                iter->AddKeyThread(uiTid, PRIO_RT);
-            }
-            iter->BeginScene();
-        }
-    }
-    CONCUR_LOGI("uid %{public}d change to foreground.", uid);
-    if (!found) {
-        ForegroundAppRecord *tempRecord = new ForegroundAppRecord(uid, uiTid);
-        if (tempRecord->IsValid()) {
-            foregroundApp_.push_back(*tempRecord);
-            if (ddlEnabled) {
-                tempRecord->AddKeyThread(uiTid, PRIO_RT);
-            }
-            tempRecord->BeginScene();
-        } else {
-            delete tempRecord;
+
+    ForegroundAppRecord *tempRecord = new ForegroundAppRecord(uid, uiTid);
+    if (tempRecord->IsValid()) {
+        foregroundApp_.push_back(*tempRecord);
+        if (ddlEnabled) {
+            tempRecord->AddKeyThread(uiTid, PRIO_RT);
         }
+        tempRecord->BeginScene();
+    } else {
+        delete tempRecord;
     }
 }
 
@@ -398,7 +387,7 @@ void TaskController::NewBackground(int uid, int pid)
     }
     for (auto iter = foregroundApp_.begin(); iter != foregroundApp_.end(); iter++) {
         if (iter->GetUid() == uid) {
-            iter->EndScene();
+            foregroundApp_.erase(iter++);
             return;
         }
     }