From 0f6dc0b8c0ca3815355cbe25f47f3df92a3b0b8d Mon Sep 17 00:00:00 2001
From: Aaron Xiao <xiaoxiangquan@gmail.com>
Date: Thu, 15 Nov 2018 15:30:20 -0800
Subject: [PATCH] Check mode existance.

---
 modules/dreamview/backend/hmi/hmi_worker.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/dreamview/backend/hmi/hmi_worker.cc b/modules/dreamview/backend/hmi/hmi_worker.cc
index c062ce1ce8..41787ab0f4 100644
--- a/modules/dreamview/backend/hmi/hmi_worker.cc
+++ b/modules/dreamview/backend/hmi/hmi_worker.cc
@@ -231,7 +231,8 @@ void HMIWorker::InitStatus() {
   } else {
     // Change to the last active mode, or else the first one in options.
     const std::string cached_mode = KVDB::Get(FLAGS_current_mode_db_key);
-    ChangeMode(!cached_mode.empty() ? cached_mode : modes.begin()->first);
+    ChangeMode(
+        ContainsKey(modes, cached_mode) ? cached_mode : modes.begin()->first);
   }
 }
 
-- 
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