diff --git a/lib/cgo/tests/check_cipher.bip44.bip44.c b/lib/cgo/tests/check_cipher.bip44.bip44.c
index 30fc6da29..541f4a067 100644
--- a/lib/cgo/tests/check_cipher.bip44.bip44.c
+++ b/lib/cgo/tests/check_cipher.bip44.bip44.c
@@ -27,7 +27,7 @@ void mustDefaultSeed(GoSlice* seed)
     GoString_ str = {strTmp, 0};
     err = SKY_base58_Hex2String(*seed, &str);
     ck_assert_int_eq(err, SKY_OK);
-    ck_assert_str_eq("24e563fb095d766df3862c70432cc1b2210b24d232da69af7af09d2ec86d28782ce58035bae29994c84081836aebe36a9b46af1578262fefc53e37efbe94be57", str.p);
+    ck_assert(strncmp(str.p, "24e563fb095d766df3862c70432cc1b2210b24d232da69af7af09d2ec86d28782ce58035bae29994c84081836aebe36a9b46af1578262fefc53e37efbe94be57", 128) == SKY_OK);
 }
 
 START_TEST(TestNewCoin)
diff --git a/lib/cgo/tests/check_cipher.hash.common.c b/lib/cgo/tests/check_cipher.hash.common.c
index 4c1983c44..f243d85aa 100644
--- a/lib/cgo/tests/check_cipher.hash.common.c
+++ b/lib/cgo/tests/check_cipher.hash.common.c
@@ -106,7 +106,7 @@ START_TEST(TestSHA256KnownValue)
         SKY_cipher_SHA256_Hex(&sha, &tmp_output);
         registerMemCleanup((void*)tmp_output.p);
 
-        ck_assert(strcmp(tmp_output.p, vals[i].output) == SKY_OK);
+        ck_assert(strncmp(tmp_output.p, vals[i].output, strlen(vals[i].output)) == SKY_OK);
     }
 }
 END_TEST
@@ -117,7 +117,8 @@ START_TEST(TestSumSHA256)
     GoUint8 cbuff[257];
     GoSlice b = {bbuff, 0, 257};
     cipher__SHA256 h1;
-    randBytes(&b, 256);
+    // randBytes(&b, 256);
+    SKY_cipher_RandByte(256, &b);
     SKY_cipher_SumSHA256(b, &h1);
     cipher__SHA256 tmp = "";
     ck_assert_int_eq(isU8Eq(h1, tmp, 32), 0);