diff --git a/src/rime/dict/tsv.cc b/src/rime/dict/tsv.cc
index a743e2a11f..e859ab0a02 100644
--- a/src/rime/dict/tsv.cc
+++ b/src/rime/dict/tsv.cc
@@ -34,7 +34,8 @@ int TsvReader::operator()(Sink* sink) {
         line.erase(0, 2);
         boost::algorithm::split(row, line, boost::algorithm::is_any_of("\t"));
         if (row.size() != 2 || !sink->MetaPut(row[0], row[1])) {
-          LOG(WARNING) << "invalid metadata at line " << line_no << ".";
+          LOG(WARNING) << "invalid metadata at line " << line_no
+                       << " in file: " << file_path_ << ".";
         }
       } else if (line == "# no comment") {
         // a "# no comment" line disables further comments
@@ -45,7 +46,8 @@ int TsvReader::operator()(Sink* sink) {
     // read a tsv entry
     boost::algorithm::split(row, line, boost::algorithm::is_any_of("\t"));
     if (!parser_(row, &key, &value) || !sink->Put(key, value)) {
-      LOG(WARNING) << "invalid entry at line " << line_no << ".";
+      LOG(WARNING) << "invalid entry at line " << line_no
+                   << " in file: " << file_path_ << ".";
       continue;
     }
     ++num_entries;