diff --git a/include/syscap_tool.h b/include/syscap_tool.h
index 2d129877a8ee2528cdc66af4a9bdca51bd8b712b..8ec1899ac0d42cb2acda526296f77a29f3e0d683 100644
--- a/include/syscap_tool.h
+++ b/include/syscap_tool.h
@@ -18,6 +18,9 @@
 
 #include "stdint.h"
 
+#define TYPE_FILE (0U)
+#define TYPE_STRING (1U)
+
 #ifdef __cplusplus
 #if __cplusplus
 extern "C" {
@@ -35,7 +38,7 @@ int32_t RPCIDDecode(char *inputFile, char *outputPath);
 /* in: inputFile, out: outputPath/rpcid.json */
 int32_t EncodeRpcidscToString(char *inputFile, char *outDirPath);
 /* in: pcidFile, rpcidFile */
-int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile);
+int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile, uint32_t type);
 int32_t SeparateSyscapFromString(const char *inputString, uint32_t *osArray, uint32_t osArraySize,
                                  char **priSyscap, uint32_t *priSyscapLen);
 
diff --git a/src/main.c b/src/main.c
index 3b3c9d1b0f6d00c7612e4af58c28eccb322632c0..9cdd88bc8f172e91c1e143e6723ed95baa2094d8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -29,7 +29,7 @@
         printf("ERROR: [%s: %d] -> ", __FILE__, __LINE__); \
         printf(__VA_ARGS__); \
     } while (0)
-#define SYSCAP_VERSION "1.0.1"
+#define SYSCAP_VERSION "1.1.1"
 #define OUTPUT_VERSION_LEN 200
 #define ENCODE 0
 #define DECODE 1
@@ -130,7 +130,9 @@ int main(int argc, char **argv)
         case 0x115: // 0x115, -Pesi inputfile
             ret = EncodePcidscToString(inputfile, outputpath); break;
         case 0x60:  // 0x60,  -C PCID.txt RPCID.txt
-            ret = ComparePcidWithRpcidString(pcidfile, rpcidfile); break;
+            ret = ComparePcidWithRpcidString(pcidfile, rpcidfile, TYPE_FILE); break;
+        case 0x64:  // 0x64,  -sC "pcidstring" "rpcidstring"
+            ret = ComparePcidWithRpcidString(pcidfile, rpcidfile, TYPE_STRING); break;
         case 0x111: // 0x111, -Pei inputfile
             ret = CreatePCID(inputfile, outputpath); break;
         case 0x112: // 0x112, -Pdi inputfile
@@ -168,7 +170,8 @@ void PrintHelp(void)
     printf("-h, --help\t: how to use\n");
     printf("-R, --RPCID\t: encode or decode RPCID\n");
     printf("-P, --PCID\t: encode or decode PCID\n");
-    printf("-C, --compare\t: compare pcid with rpcid string format.\n");
+    printf("-C, --compare\t: compare pcid with rpcid string format.\n\t"
+           "-s, --string : input string.\n");
     printf("-e, --encode\t: encode to sc format.\n\t-s, --string : encode to string format.\n");
     printf("-d, --decode\t: decode to json format.\n\t-s, --string : decode string format.\n");
     printf("-i filepath, --input filepath\t: input file\n");
diff --git a/src/syscap_tool.c b/src/syscap_tool.c
index 54c7063bb7309cc9f4c1b922dffb137917dd89a8..fdfceb22d8799485d53eeca84bcd5981e0f501d9 100644
--- a/src/syscap_tool.c
+++ b/src/syscap_tool.c
@@ -647,7 +647,7 @@ SKIP_PRI_SYSCAP:
     return 0;
 }
 
-int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile)
+int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile, uint32_t type)
 {
     int32_t ret;
     int32_t versionFlag = 0;
@@ -663,14 +663,21 @@ int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile)
     uint32_t pcidOsAarry[PCID_OUT_BUFFER] = {0};
     uint32_t rpcidOsAarry[PCID_OUT_BUFFER] = {0};
 
-    if (GetFileContext(pcidFile, &pcidContent, &pcidContentLen)) {
-        PRINT_ERR("Get pcid file context failed, input file : %s\n", pcidFile);
-        return -1;
-    }
-
-    if (GetFileContext(rpcidFile, &rpcidContent, &rpcidContentLen)) {
-        PRINT_ERR("Get rpcid file context failed, input file : %s\n", rpcidFile);
-        free(pcidContent);
+    if (type == TYPE_FILE) {
+        if (GetFileContext(pcidFile, &pcidContent, &pcidContentLen)) {
+            PRINT_ERR("Get pcid file context failed, input file : %s\n", pcidFile);
+            return -1;
+        }
+        if (GetFileContext(rpcidFile, &rpcidContent, &rpcidContentLen)) {
+            PRINT_ERR("Get rpcid file context failed, input file : %s\n", rpcidFile);
+            free(pcidContent);
+            return -1;
+        }
+    } else if (type == TYPE_STRING) {
+        pcidContent = pcidFile;
+        rpcidContent = rpcidFile;
+    } else {
+        PRINT_ERR("Input file type error, type=%d\n", type);
         return -1;
     }