#2073 Fix CheckDBConfigBackendUrl error message (#2074)

Signed-off-by: Njinhai <hai.jin@zilliz.com>

CHANGELOG.md

@@ -7,6 +7,7 @@ Please mark all change in change log and use the issue from GitHub
 ## Bug
 -   \#1705 Limit the insert data batch size
 -   \#1929 Skip MySQL meta schema field width check
+-   \#2073 Fix CheckDBConfigBackendUrl error message
 
 ## Feature
 -   \#1965 FAISS/NSG/HNSW/ANNOY use unified distance calculation algorithm

core/src/config/Config.cpp

@@ -891,7 +891,7 @@ Config::CheckDBConfigBackendUrl(const std::string& value) {
         std::string msg =
             "Invalid backend url: " + value + ". Possible reason: db_config.db_backend_url is invalid. " +
             "The correct format should be like sqlite://:@:/ or mysql://root:123456@127.0.0.1:3306/milvus.";
-        return Status(SERVER_INVALID_ARGUMENT, "invalid db_backend_url: " + value);
+        return Status(SERVER_INVALID_ARGUMENT, msg);
     }
     return Status::OK();
 }