diff --git a/packages/canyon-backend/src/coverage/services/coverage-client.service.ts b/packages/canyon-backend/src/coverage/services/coverage-client.service.ts
index 091cb9e8..76a5bc12 100755
--- a/packages/canyon-backend/src/coverage/services/coverage-client.service.ts
+++ b/packages/canyon-backend/src/coverage/services/coverage-client.service.ts
@@ -134,7 +134,7 @@ export class CoverageClientService {
           id: `__${projectID}__${sha}__${path}__`,
           mapJsonStr: JSON.stringify(value), //???没删除bfs
           mapJsonStatementMapStartLine: JSON.stringify(
-            filterStatementMap(value.statementMap),
+            filterStatementMap(value.statementMap || {}),
           ),
           projectID: projectID,
           sha: sha,