diff --git a/av_transport/av_trans_engine/filters/test/av_trans_coder_filter_test/av_trans_audio_encoder_filter_test.cpp b/av_transport/av_trans_engine/filters/test/av_trans_coder_filter_test/av_trans_audio_encoder_filter_test.cpp
index 65f7b39227ecad799a68a149476d91ca1bf2823d..c3de3ceee99f458f3c13f8be49a28755f5dc368e 100644
--- a/av_transport/av_trans_engine/filters/test/av_trans_coder_filter_test/av_trans_audio_encoder_filter_test.cpp
+++ b/av_transport/av_trans_engine/filters/test/av_trans_coder_filter_test/av_trans_audio_encoder_filter_test.cpp
@@ -601,6 +601,7 @@ HWTEST_F(AvTransportAudioEncoderFilterTest, OnEncOutputFormatChanged, testing::e
     filter->OnEncOutputFormatChanged(nullFormat);
     OH_AVFormat *validFormat = new (std::nothrow) OH_AVFormat();
     filter->OnEncOutputFormatChanged(validFormat);
+    delete validFormat;
 }
 
 HWTEST_F(AvTransportAudioEncoderFilterTest, OnEncInputBufferAvailable_002, testing::ext::TestSize.Level1)
diff --git a/av_transport/common/src/av_trans_utils.cpp b/av_transport/common/src/av_trans_utils.cpp
index 38b0b2cf84537d538f3c76f8917f099d48690400..94c78e89ca12e18e22654444f63ca4af96e7567c 100644
--- a/av_transport/common/src/av_trans_utils.cpp
+++ b/av_transport/common/src/av_trans_utils.cpp
@@ -260,6 +260,7 @@ bool IsUInt32(const cJSON *jsonObj, const std::string &key)
 {
     cJSON *keyObj = cJSON_GetObjectItemCaseSensitive(jsonObj, key.c_str());
     return (keyObj != nullptr) && cJSON_IsNumber(keyObj) &&
+        (keyObj->valueint >= 0) &&
         static_cast<uint32_t>(keyObj->valueint) <= UINT32_MAX;
 }
 
@@ -267,8 +268,8 @@ bool IsInt64(const cJSON *jsonObj, const std::string &key)
 {
     cJSON *keyObj = cJSON_GetObjectItemCaseSensitive(jsonObj, key.c_str());
     return (keyObj != nullptr) && cJSON_IsNumber(keyObj) &&
-        static_cast<int64_t>(keyObj->valueint) <= INT64_MAX &&
-        static_cast<int64_t>(keyObj->valueint) >= INT64_MIN;
+        static_cast<int64_t>(keyObj->valuedouble) <= INT64_MAX &&
+        static_cast<int64_t>(keyObj->valuedouble) >= INT64_MIN;
 }
 
 bool IsString(const cJSON *jsonObj, const std::string &key)