diff --git a/src/create_pcid.c b/src/create_pcid.c
index c2c429b1d5b3acc488092e8291e9334a052a3e4b..811081d6dce434dc009aefff18cd05c6f1165612 100644
--- a/src/create_pcid.c
+++ b/src/create_pcid.c
@@ -524,6 +524,8 @@ int32_t DecodePCID(char *inputFile, char *outDirPath)
         return FreeAfterDecodePCID(freePcidJsonInfo, FREE_DECODE_PCID_ROOT_OUT, ret);
     }
 
+    freePcidJsonInfo.sysCapObj = NULL; // avoid being released repeatedly.
+
     freePcidJsonInfo.strJson = cJSON_Print(freePcidJsonInfo.jsonRootObj);
 
     const char outputFileName[] = "pcid.json";
diff --git a/src/syscap_tool.c b/src/syscap_tool.c
index 93d33448ecb382319c57cbddecd869a5e5d6f292..e5953d66d05caf693c1ba7e08ac430aab13ea647 100644
--- a/src/syscap_tool.c
+++ b/src/syscap_tool.c
@@ -285,8 +285,10 @@ int32_t RPCIDDecode(char *inputFile, char *outputPath)
     ret = ConvertedContextSaveAsFile(outputPath, "rpcid.json", convertedBuffer, strlen(convertedBuffer));
     if (ret != 0) {
         PRINT_ERR("ConvertedContextSaveAsFile failed, outputPath:%s, filename:rpcid.json\n", outputPath);
+        cJSON_Delete(convertedBuffer);
         goto FREE_RPCID_ROOT;
     }
+    cJSON_Delete(convertedBuffer);
 
 FREE_RPCID_ROOT:
     cJSON_Delete(rpcidRoot);