diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index f2f8738f4af0916b68a692241f3ef172c073c8dd..00954b12bd5dbea7a8116e7e3db05d36afedc606 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -121,17 +121,20 @@ bool EncodePrivateSyscap(char **output, int *outputLen)
 
     if (bufferLen < (PCID_MAIN_BYTES + 1) || bufferLen > INT32_MAX) {
         PRINT_ERR("Parameter bufferLen out of range.");
+        FreeContextBuffer(contextBuffer);
         return false;
     }
     uint32_t priLen = bufferLen - PCID_MAIN_BYTES - 1;
     if ((int)priLen <= 0) {
         *outputLen = 0;
+        FreeContextBuffer(contextBuffer);
         return false;
     }
     outputStr = (char *)calloc(priLen, sizeof(char));
     if (outputStr == NULL) {
         PRINT_ERR("malloc buffer failed, size = %u, errno = %d\n", priLen, errno);
         *outputLen = 0;
+        FreeContextBuffer(contextBuffer);
         return false;
     }
 
@@ -246,6 +249,7 @@ bool DecodePrivateSyscap(char *input, char (**output)[SINGLE_SYSCAP_LEN], int *o
             *bufferPos = '\0';
             if (sprintf_s(*outputArray, SINGLE_SYSCAP_LEN, "SystemCapability.%s", buffer) == -1) {
                 free(outputArray);
+                outputArray = NULL;
                 return false;
             }
             bufferPos = buffer;
@@ -512,6 +516,7 @@ char *DecodeRpcidToStringFormat(const char *inputFile)
     }
 
     PartSysCapAndOutBuffer(freeAfterDecodeRpcidInfo, outBuffer, priSyscapArray, sysCapArray);
+    priSyscapArray = NULL;
     return FreeAfterDecodeRpcidToString(freeAfterDecodeRpcidInfo, FREE_MALLOC_PRISYSCAP_AFTER_DECODE_RPCID, outBuffer);
 }
 
@@ -525,7 +530,7 @@ static int32_t CopySyscopToRet(struct PcidPriSyscapInfo *pcidPriSyscapInfo, cons
             break;
         }
     }
-    if(t == allSyscapNum){
+    if (t == allSyscapNum) {
         return -1;
     }
     pcidPriSyscapInfo->ret = strcpy_s(tempSyscap, sizeof(char) * SINGLE_SYSCAP_LEN, g_arraySyscap[t].str);
diff --git a/src/create_pcid.c b/src/create_pcid.c
index d08ff36f5f0f1364760394dcffc74320c39510e8..2c9da93b0652df4e81c27aee0add411416785e3b 100644
--- a/src/create_pcid.c
+++ b/src/create_pcid.c
@@ -332,6 +332,7 @@ int32_t GetOsSyscap(PCIDMain *pcidMain, cJSON *sysCapObject)
             }
             if (!cJSON_AddItemToArray(capVectorPtr, cJSON_CreateString(g_arraySyscap[j].str))) {
                 printf("cJSON_AddItemToArray or cJSON_CreateString failed\n");
+                cJSON_Delete(capVectorPtr);
                 return -1;
             }
         }
@@ -339,9 +340,11 @@ int32_t GetOsSyscap(PCIDMain *pcidMain, cJSON *sysCapObject)
 
     if (!cJSON_AddItemToObject(sysCapObject, "os", capVectorPtr)) {
         PRINT_ERR("cJSON_AddItemToObject failed\n");
+        cJSON_Delete(capVectorPtr);
         return -1;
     }
-
+    
+    cJSON_Delete(capVectorPtr);
     return 0;
 }