diff --git a/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp b/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp
index 8539a20516a3fa188772737c1312f25014097ec3..4cb1b11e6a72d8244b2a824a490b2fa6d0835696 100644
--- a/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp
+++ b/hdf_service/distributed_audio/hdi_service/audio/v1_0/src/audio_adapter_interface_impl.cpp
@@ -854,7 +854,13 @@ int32_t AudioAdapterInterfaceImpl::GetVolFromEvent(const std::string &content, c
         cJSON_Delete(jParam);
         return ERR_DH_AUDIO_HDF_FAIL;
     }
-    vol = std::stoi(std::string(cJSON_GetObjectItem(jParam, key.c_str())->valuestring));
+    cJSON *dhIdItem = cJSON_GetObjectItem(jParam, key.c_str());
+    if (dhIdItem == NULL || !cJSON_IsString(dhIdItem)) {
+        DHLOGE("Not found the keys of dhId.");
+        cJSON_Delete(jParam);
+        return ERR_DH_AUDIO_FAILED;
+    }
+    vol = std::stoi(std::string(dhIdItem->valuestring));
     cJSON_Delete(jParam);
     return DH_SUCCESS;
 }
diff --git a/services/audiomanager/managersink/src/daudio_sink_dev.cpp b/services/audiomanager/managersink/src/daudio_sink_dev.cpp
index 0b88ce21e5dbb295c6d3571f1c82fa2513e33532..051a92b03251e8599cbecc98da5714e3c1b1f4c0 100644
--- a/services/audiomanager/managersink/src/daudio_sink_dev.cpp
+++ b/services/audiomanager/managersink/src/daudio_sink_dev.cpp
@@ -15,7 +15,7 @@
 
 #include "daudio_sink_dev.h"
 
-#include <dlfcn.h>
+
 #include <random>
 
 #include "cJSON.h"
@@ -202,7 +202,13 @@ int32_t DAudioSinkDev::ParseDhidFromEvent(std::string args)
         cJSON_Delete(jParam);
         return -1;
     }
-    int32_t dhId = std::stoi(std::string(cJSON_GetObjectItem(jParam, KEY_DH_ID)->valuestring));
+    cJSON *dhIdItem = cJSON_GetObjectItem(jParam, KEY_DH_ID);
+    if (dhIdItem == NULL || !cJSON_IsString(dhIdItem)) {
+        DHLOGE("Not found the keys of dhId.");
+        cJSON_Delete(jParam);
+        return ERR_DH_AUDIO_FAILED;
+    }
+    int32_t dhId = std::stoi(std::string(dhIdItem->valuestring));
     cJSON_Delete(jParam);
     DHLOGI("Parsed dhId is: %d.", dhId);
     return dhId;
diff --git a/services/audiomanager/managersource/src/daudio_source_dev.cpp b/services/audiomanager/managersource/src/daudio_source_dev.cpp
index 8adc9a866eb318c0b1abec898f09c58f2c193bb3..c06655ff71d439c8111597a82f9cfcb6ba32c9e3 100644
--- a/services/audiomanager/managersource/src/daudio_source_dev.cpp
+++ b/services/audiomanager/managersource/src/daudio_source_dev.cpp
@@ -829,7 +829,13 @@ int32_t DAudioSourceDev::ParseDhidFromEvent(std::string args)
         cJSON_Delete(jParam);
         return -1;
     }
-    int32_t dhId = std::stoi(std::string(cJSON_GetObjectItem(jParam, KEY_DH_ID)->valuestring));
+    cJSON *dhIdItem = cJSON_GetObjectItem(jParam, KEY_DH_ID);
+    if (dhIdItem == NULL || !cJSON_IsString(dhIdItem)) {
+        DHLOGE("Not found the keys of dhId.");
+        cJSON_Delete(jParam);
+        return ERR_DH_AUDIO_FAILED;
+    }
+    int32_t dhId = std::stoi(std::string(dhIdItem->valuestring));
     cJSON_Delete(jParam);
     DHLOGI("Parsed dhId is: %d.", dhId);
     return dhId;
@@ -1119,7 +1125,13 @@ int32_t DAudioSourceDev::TaskChangeVolume(const std::string &args)
         cJSON_Delete(jParam);
         return ERR_DH_AUDIO_FAILED;
     }
-    int32_t dhId = std::stoi(std::string(cJSON_GetObjectItem(jParam, KEY_DH_ID)->valuestring));
+    cJSON *dhIdItem = cJSON_GetObjectItem(jParam, KEY_DH_ID);
+    if (dhIdItem == NULL || !cJSON_IsString(dhIdItem)) {
+        DHLOGE("Not found the keys of dhId.");
+        cJSON_Delete(jParam);
+        return ERR_DH_AUDIO_FAILED;
+    }
+    int32_t dhId = std::stoi(std::string(dhIdItem->valuestring));
     cJSON_Delete(jParam);
     return NotifyHDF(AudioEventType::VOLUME_CHANGE, args, dhId);
 }
@@ -1149,7 +1161,13 @@ int32_t DAudioSourceDev::TaskChangeRenderState(const std::string &args)
         cJSON_Delete(jParam);
         return ERR_DH_AUDIO_FAILED;
     }
-    int32_t dhId = std::stoi(std::string(cJSON_GetObjectItem(jParam, KEY_DH_ID)->valuestring));
+    cJSON *dhIdItem = cJSON_GetObjectItem(jParam, KEY_DH_ID);
+    if (dhIdItem == NULL || !cJSON_IsString(dhIdItem)) {
+        DHLOGE("Not found the keys of dhId.");
+        cJSON_Delete(jParam);
+        return ERR_DH_AUDIO_FAILED;
+    }
+    int32_t dhId = std::stoi(std::string(dhIdItem->valuestring));
     cJSON_Delete(jParam);
     return NotifyHDF(AudioEventType::AUDIO_RENDER_STATE_CHANGE, args, dhId);
 }