diff --git a/BUILD.gn b/BUILD.gn
index 5137892..f38e04b 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -94,10 +94,14 @@ ohos_shared_library("syscap_tool_shared") {
   part_name = "syscap_codec"
 }
 
+config("syscap_interface_public_config") {
+  include_dirs = [ "./interfaces/inner_api/" ]
+}
+
 if (defined(ohos_lite)) {
   shared_library("syscap_interface_shared") {
-    include_dirs = [ "./interfaces/inner_api/" ]
-    public_configs = [ ":pubilc" ]
+    include_dirs = [ "include" ]
+    public_configs = [ ":syscap_interface_public_config" ]
     sources = [ "./interfaces/inner_api/syscap_interface.c" ]
 
     deps = [
@@ -107,8 +111,8 @@ if (defined(ohos_lite)) {
   }
 } else {
   ohos_shared_library("syscap_interface_shared") {
-    include_dirs = [ "./interfaces/inner_api/" ]
-    public_configs = [ ":pubilc" ]
+    include_dirs = [ "include" ]
+    public_configs = [ ":syscap_interface_public_config" ]
     sources = [ "./interfaces/inner_api/syscap_interface.c" ]
 
     deps = [
diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index c6dc419..fb99393 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -21,7 +21,6 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <securec.h>
-#include "create_pcid.h"
 #include "syscap_define.h"
 #include "syscap_interface.h"
 
@@ -85,12 +84,12 @@ static uint32_t GetFileContext(char **contextBufPtr, uint32_t *bufferLen)
     return 0;
 }
 
-bool EncodeOsSyscap(int **output)
+bool EncodeOsSyscap(char **output)
 {
     int32_t ret;
     int32_t res;
     char *contextBuffer = NULL;
-    int *outputArray = NULL;
+    char *outputArray = NULL;
     uint32_t bufferLen;
 
     ret = GetFileContext(&contextBuffer, &bufferLen);
@@ -99,7 +98,7 @@ bool EncodeOsSyscap(int **output)
         return false;
     }
 
-    outputArray = (int *)malloc(PCID_MAIN_LEN);
+    outputArray = (char *)malloc(PCID_MAIN_LEN);
     if (outputArray == NULL) {
         PRINT_ERR("malloc buffer failed, size = %d\n", PCID_MAIN_LEN);
         return false;
@@ -152,13 +151,13 @@ bool EncodePrivateSyscap(char **output, int *outputLen)
     return true;
 }
 
-bool DecodeOsSyscap(int input[32], char (**output)[128], int *outputCnt)
+bool DecodeOsSyscap(char input[128], char (**output)[128], int *outputCnt)
 {
     errno_t nRet = 0;
     uint16_t indexOfSyscap[OS_SYSCAP_BYTES * OS_SYSCAP_BYTES] = {0};
     int countOfSyscap = 0, i, j;
 
-    uint8_t *osSyscap = (uint8_t *)(input + 2); // 2, int[2] of pcid header
+    uint8_t *osSyscap = (uint8_t *)(input + 8); // 8, int[2] of pcid header
 
     for (i = 0; i < OS_SYSCAP_BYTES; i++) {
         for (j = 0; j < BITS_OF_BYTE; j++) {
diff --git a/interfaces/inner_api/syscap_interface.h b/interfaces/inner_api/syscap_interface.h
index a0b7610..c45895e 100644
--- a/interfaces/inner_api/syscap_interface.h
+++ b/interfaces/inner_api/syscap_interface.h
@@ -25,8 +25,8 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-bool EncodeOsSyscap(int **output);
-bool DecodeOsSyscap(int input[32], char (**output)[128], int *outputCnt);
+bool EncodeOsSyscap(char **output);
+bool DecodeOsSyscap(char input[128], char (**output)[128], int *outputCnt);
 bool EncodePrivateSyscap(char **output, int *outputLen);
 bool DecodePrivateSyscap(char *input, char (**output)[128], int *outputCnt);
 
diff --git a/napi/napi_query_syscap.cpp b/napi/napi_query_syscap.cpp
index 71dc4a4..2a2face 100644
--- a/napi/napi_query_syscap.cpp
+++ b/napi/napi_query_syscap.cpp
@@ -61,7 +61,7 @@ static char* getSystemCapability()
     bool retBool;
     int retError, priOutputLen, priCapArrayCnt, sumLen;
     int i = 0;
-    int *osOutput = nullptr;
+    char *osOutput = nullptr;
     errno_t err = EOK;
     uint32_t *osCapU32 = nullptr;
     char *priOutput = nullptr;
@@ -81,7 +81,7 @@ static char* getSystemCapability()
         goto FREE_PRIOUTPUT;
     }
 
-    osCapU32 = reinterpret_cast<uint32_t *>(osOutput + 2);  // 2, header of pcid.sc
+    osCapU32 = reinterpret_cast<uint32_t *>(osOutput + 8);  // 8, header of pcid.sc
     for (i = 0; i < OS_SYSCAP_U32_NUM; i++) {
         retError = sprintf_s(osCapArray[i], U32_TO_STR_MAX_LEN, "%u", osCapU32[i]);
         if (retError == -1) {
diff --git a/test/unittest/common/syscap_codec_test.cpp b/test/unittest/common/syscap_codec_test.cpp
index f761abb..fe7eac1 100644
--- a/test/unittest/common/syscap_codec_test.cpp
+++ b/test/unittest/common/syscap_codec_test.cpp
@@ -34,9 +34,9 @@ void SyscapCodecTest::TearDown() {}
  */
 HWTEST_F(SyscapCodecTest, EncodeOsSyscap, TestSize.Level1)
 {
-    int *intOsInput = NULL;
-    EXPECT_TRUE(EncodeOsSyscap(&intOsInput));
-    free(intOsInput);
+    char *OsInput = NULL;
+    EXPECT_TRUE(EncodeOsSyscap(&OsInput));
+    free(OsInput);
 }
 
 /*