diff --git a/g/crypto/gcrc32/gcrc32_test.go b/g/crypto/gcrc32/gcrc32_test.go
index 27c301fbc..7a67d1c41 100644
--- a/g/crypto/gcrc32/gcrc32_test.go
+++ b/g/crypto/gcrc32/gcrc32_test.go
@@ -9,6 +9,7 @@
 package gcrc32_test
 
 import (
+	"github.com/gogf/gf/g/crypto/gmd5"
 	"testing"
 
 	"github.com/gogf/gf/g/crypto/gcrc32"
@@ -34,5 +35,10 @@ func TestEncrypt(t *testing.T) {
 		encrypt2 := gcrc32.Encrypt([]byte(s))
 		gtest.AssertEQ(int(encrypt1), result)
 		gtest.AssertEQ(int(encrypt2), result)
+
+		strmd5 := gmd5.Encrypt(s)
+		test1 := gcrc32.Encrypt(strmd5)
+		test2 := gcrc32.Encrypt([]byte(strmd5))
+		gtest.AssertEQ(test2, test1)
 	})
 }