diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index bde2735de5dc838b1484e2c9e0afb4c0ddfafe56..e8f9440a581cccd20ce5a1c133d9a6528951cefd 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -211,8 +211,13 @@ bool DecodePrivateSyscap(char *input, char (**output)[128], int *outputCnt)
         }
         inputPos++;
     }
-    inputPos = input;
+    if (syscapCnt == 0) {
+        *output = outputArray;
+        *outputCnt = syscapCnt;
+        return true;
+    }
 
+    inputPos = input;
     bufferLen = SYSCAP_STR_LEN_MAX * syscapCnt;
     outputArray = (char (*)[SYSCAP_STR_LEN_MAX])malloc(bufferLen);
     if (outputArray == NULL) {