diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index 017eb5b..70e4e52 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -652,6 +652,7 @@ int32_t ComparePcidString(const char *pcidString, const char *rpcidString, Compa
         &pcidPriSyscapInfo.rpcidPriSyscap, &pcidPriSyscapInfo.rpcidPriSyscapLen);
     if (pcidPriSyscapInfo.ret != 0) {
         PRINT_ERR("Separate syscap from string failed. ret = %d\n", pcidPriSyscapInfo.ret);
+        free(pcidPriSyscapInfo.rpcidPriSyscap);
         return -1;
     }
     result->missSyscapNum = 0;
diff --git a/src/context_tool.c b/src/context_tool.c
index 60e5e4c..5d0eba1 100644
--- a/src/context_tool.c
+++ b/src/context_tool.c
@@ -160,6 +160,7 @@ int32_t CheckRpcidFormat(const char *inputFile, char **buffer, uint32_t *len)
     rpcidHeader = (RPCIDHead *)contextBuffer;
     if (rpcidHeader->apiVersionType != 1) {
         PRINT_ERR("Parse file failed(apiVersionType != 1), input file : %s\n", inputFile);
+        free(contextBuffer);
         return -1;
     }
     sysCaptype = NtohsInter(*(uint16_t *)(rpcidHeader + 1));
diff --git a/src/create_pcid.c b/src/create_pcid.c
index 09aaa64..0623c61 100644
--- a/src/create_pcid.c
+++ b/src/create_pcid.c
@@ -735,6 +735,12 @@ int32_t DecodeStringPCIDToJson(char *input, char *outDirPath)
         PRINT_ERR("Add os syscap json object failed.\n");
         goto ADD_JSON_FAILED;
     }
+
+    if (priSyscapStr == null){
+        PRINT_ERR("priSyscapStr is null.\n");
+        goto ADD_JSON_FAILED;
+    }
+
     if (AddPriSyscapToJsonObj(priSyscapStr, (uint32_t)strlen(priSyscapStr), sysCapObj) != 0) {
         PRINT_ERR("Add private syscap json object failed.\n");
         goto ADD_JSON_FAILED;
diff --git a/src/syscap_tool.c b/src/syscap_tool.c
index 3bcd76a..5093b0f 100644
--- a/src/syscap_tool.c
+++ b/src/syscap_tool.c
@@ -705,6 +705,7 @@ int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile, uint32_t typ
                                     &rpcidPriSyscap, &rpcidPriSyscapLen);
     if (ret != 0) {
         PRINT_ERR("Separate syscap from string failed. ret = %d\n", ret);
+        free(pcidContent);
         return -1;
     }