diff --git a/source/dmslite.c b/source/dmslite.c
index b217febb70b11e4b98a83e2bffe6987f6a4cda1d..f0901f918c8ff9171b5f3f707176dacc0a54aacc 100755
--- a/source/dmslite.c
+++ b/source/dmslite.c
@@ -64,7 +64,7 @@ static BOOL MessageHandle(Service *service, Request *request)
     /* process for a specific service-level msgId can be added below */
     switch (request->msgId) {
         default: {
-            HILOGW("[Unkonwn msgId = %d]", request->msgId);
+            HILOGW("[Unknown msgId = %d]", request->msgId);
             break;
         }
     }
diff --git a/source/dmslite_feature.c b/source/dmslite_feature.c
index 86f063ff9bc702bd12507d60030a2c42891442ea..5babe8b907270d6f6c7e8ac9fa662b69da1c201e 100755
--- a/source/dmslite_feature.c
+++ b/source/dmslite_feature.c
@@ -102,7 +102,7 @@ static BOOL OnMessage(Feature *feature, Request *request)
             HandleBytesReceived(request->msgValue, request->data, request->len);
             break;
         default: {
-            HILOGW("[Unkonwn msgId = %d]", request->msgId);
+            HILOGW("[Unknown msgId = %d]", request->msgId);
             break;
         }
     }
diff --git a/source/dmslite_parser.c b/source/dmslite_parser.c
index 3c7d546104a07000ecb9757182bc74cba0e1a38c..8a151a6cf4fb867b1cd8f23dd1f7331fd9eb7771 100755
--- a/source/dmslite_parser.c
+++ b/source/dmslite_parser.c
@@ -285,7 +285,7 @@ int32_t ProcessCommuMsg(const CommuMessage *commuMessage, const IDmsFeatureCallb
             break;
         }
         default: {
-            HILOGW("[Unkonwn command id %hu]", commandId);
+            HILOGW("[Unknown command id %hu]", commandId);
             errCode = DMS_EC_UNKNOWN_COMMAND_ID;
             break;
         }