diff --git a/common/src/daudio_util.cpp b/common/src/daudio_util.cpp
index 6a85c1594eeb51e6ef91954ec7a50f3f8da1c4fe..78f50ed52b4a19894b415bacfe537906a5297912 100644
--- a/common/src/daudio_util.cpp
+++ b/common/src/daudio_util.cpp
@@ -464,7 +464,6 @@ std::string ParseStringFromArgs(std::string args, const char *key)
     cJSON *jParam = cJSON_Parse(args.c_str());
     if (jParam == nullptr) {
         DHLOGE("Failed to parse JSON: %s", cJSON_GetErrorPtr());
-        cJSON_Delete(jParam);
         return "Failed to parse JSON";
     }
     if (!CJsonParamCheck(jParam, { key })) {
diff --git a/services/audioclient/spkclient/src/dspeaker_client.cpp b/services/audioclient/spkclient/src/dspeaker_client.cpp
index f75455a27c52702d60282954919e0e87d15ad2c3..ae932fe948f2d750a7db1cf65b0b3a84ed15cd6a 100644
--- a/services/audioclient/spkclient/src/dspeaker_client.cpp
+++ b/services/audioclient/spkclient/src/dspeaker_client.cpp
@@ -659,12 +659,6 @@ int32_t DSpeakerClient::SendMessage(uint32_t type, std::string content, std::str
 void DSpeakerClient::PlayStatusChange(const std::string &args)
 {
     DHLOGI("Play status change, args: %s.", args.c_str());
-    cJSON *jParam = cJSON_Parse(args.c_str());
-    if (jParam == nullptr) {
-        DHLOGE("Failed to parse JSON: %s", cJSON_GetErrorPtr());
-        cJSON_Delete(jParam);
-        return;
-    }
     std::string changeType = ParseStringFromArgs(args, KEY_CHANGE_TYPE);
     if (changeType == AUDIO_EVENT_RESTART) {
         ReStart();
@@ -673,7 +667,6 @@ void DSpeakerClient::PlayStatusChange(const std::string &args)
     } else {
         DHLOGE("Play status error.");
     }
-    cJSON_Delete(jParam);
 }
 
 void DSpeakerClient::SetAttrs(const std::string &devId, const std::shared_ptr<IAudioEventCallback> &callback)
diff --git a/services/audiomanager/managersink/src/daudio_sink_dev.cpp b/services/audiomanager/managersink/src/daudio_sink_dev.cpp
index d17b4578fa97786296191ff175bd6e9969c94a18..e4147c0378c64e24514a1a0fbe07a7631c8f6d50 100644
--- a/services/audiomanager/managersink/src/daudio_sink_dev.cpp
+++ b/services/audiomanager/managersink/src/daudio_sink_dev.cpp
@@ -202,7 +202,6 @@ int32_t DAudioSinkDev::ParseDhidFromEvent(std::string args)
     cJSON *jParam = cJSON_Parse(args.c_str());
     if (jParam == nullptr) {
         DHLOGE("Failed to parse JSON: %s", cJSON_GetErrorPtr());
-        cJSON_Delete(jParam);
         return -1;
     }
     if (!CJsonParamCheck(jParam, { KEY_DH_ID })) {
diff --git a/services/audiomanager/managersource/src/daudio_source_dev.cpp b/services/audiomanager/managersource/src/daudio_source_dev.cpp
index da289694d10923718054177ca1d33ce15d41ead5..8822d51dd1aa40bddbc78804fb3aac49739b869c 100644
--- a/services/audiomanager/managersource/src/daudio_source_dev.cpp
+++ b/services/audiomanager/managersource/src/daudio_source_dev.cpp
@@ -781,7 +781,6 @@ int32_t DAudioSourceDev::ParseDhidFromEvent(std::string args)
     cJSON *jParam = cJSON_Parse(args.c_str());
     if (jParam == nullptr) {
         DHLOGE("Failed to parse JSON: %s", cJSON_GetErrorPtr());
-        cJSON_Delete(jParam);
         return -1;
     }
     if (!CJsonParamCheck(jParam, { KEY_DH_ID })) {
@@ -1039,7 +1038,6 @@ int32_t DAudioSourceDev::TaskChangeVolume(const std::string &args)
     cJSON *jParam = cJSON_Parse(args.c_str());
     if (jParam == nullptr) {
         DHLOGE("Failed to parse JSON: %s", cJSON_GetErrorPtr());
-        cJSON_Delete(jParam);
         return ERR_DH_AUDIO_NULLPTR;
     }
     if (!CJsonParamCheck(jParam, { KEY_DH_ID })) {
@@ -1075,7 +1073,6 @@ int32_t DAudioSourceDev::TaskChangeRenderState(const std::string &args)
     cJSON *jParam = cJSON_Parse(args.c_str());
     if (jParam == nullptr) {
         DHLOGE("Failed to parse JSON: %s", cJSON_GetErrorPtr());
-        cJSON_Delete(jParam);
         return ERR_DH_AUDIO_NULLPTR;
     }
     if (!CJsonParamCheck(jParam, { KEY_DH_ID })) {