diff --git a/trunk/src/utest/srs_utest_kernel.cpp b/trunk/src/utest/srs_utest_kernel.cpp
index bd4f7c4be..2e4e0960c 100644
--- a/trunk/src/utest/srs_utest_kernel.cpp
+++ b/trunk/src/utest/srs_utest_kernel.cpp
@@ -935,6 +935,87 @@ VOID TEST(KernelFLVTest, CoverVodStreamErrorCase)
 	}
 }
 
+VOID TEST(KernelFLVTest, CoverFLVVodSHCase)
+{
+	srs_error_t err;
+
+	if (true) {
+		uint8_t buf[] = {
+			0x12, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x09, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x08, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00
+		};
+
+		MockSrsFileReader r((const char*)buf, sizeof(buf));
+		HELPER_EXPECT_SUCCESS(r.open(""));
+
+		SrsFlvVodStreamDecoder d;
+		HELPER_EXPECT_SUCCESS(d.initialize(&r));
+
+		int64_t start = -1; int size = 0;
+		HELPER_EXPECT_SUCCESS(d.read_sequence_header_summary(&start, &size));
+		EXPECT_EQ(15, start);
+		EXPECT_EQ(30, size);
+	}
+
+	if (true) {
+		uint8_t buf[] = {
+			0x12, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x09, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x09, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00
+		};
+
+		MockSrsFileReader r((const char*)buf, sizeof(buf));
+		HELPER_EXPECT_SUCCESS(r.open(""));
+
+		SrsFlvVodStreamDecoder d;
+		HELPER_EXPECT_SUCCESS(d.initialize(&r));
+
+		int64_t start = -1; int size = 0;
+		HELPER_EXPECT_SUCCESS(d.read_sequence_header_summary(&start, &size));
+		EXPECT_EQ(15, start);
+		EXPECT_EQ(15, size);
+	}
+
+	if (true) {
+		uint8_t buf[] = {
+			0x12, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x08, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x08, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00
+		};
+
+		MockSrsFileReader r((const char*)buf, sizeof(buf));
+		HELPER_EXPECT_SUCCESS(r.open(""));
+
+		SrsFlvVodStreamDecoder d;
+		HELPER_EXPECT_SUCCESS(d.initialize(&r));
+
+		int64_t start = -1; int size = 0;
+		HELPER_EXPECT_SUCCESS(d.read_sequence_header_summary(&start, &size));
+		EXPECT_EQ(15, start);
+		EXPECT_EQ(15, size);
+	}
+
+	if (true) {
+		uint8_t buf[] = {
+			0x12, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x12, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
+			0x12, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00, 0x00,0x00,0x00,0x00
+		};
+
+		MockSrsFileReader r((const char*)buf, sizeof(buf));
+		HELPER_EXPECT_SUCCESS(r.open(""));
+
+		SrsFlvVodStreamDecoder d;
+		HELPER_EXPECT_SUCCESS(d.initialize(&r));
+
+		int64_t start = -1; int size = 0;
+		HELPER_EXPECT_FAILED(d.read_sequence_header_summary(&start, &size));
+		EXPECT_EQ(-1, start);
+		EXPECT_EQ(0, size);
+	}
+}
+
 /**
 * test the flv decoder,
 * exception: file stream not open.