diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index 9cc249948fc5f86e37b6764e60e3c91249b5b0c1..91961c6524faf3616a54928eb5cf0ec143add62f 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -355,7 +355,6 @@ static int32_t TransStringFormatAndSaveSyscap(struct FreeAfterDecodeRpcidInfo fr
         PRINT_ERR("malloc failed.\n");
         return -1;
     }
-    free(freeAfterDecodeRpcidInfo.osSysCapIndex);
     return 0;
 }