diff --git a/frameworks/config_policy/src/config_policy_utils.c b/frameworks/config_policy/src/config_policy_utils.c
index 9dcf4d7f644cc70e91391f94acb15a8cf77e1316..e02c711f9cc75192db2f53fc3909af12af36074f 100644
--- a/frameworks/config_policy/src/config_policy_utils.c
+++ b/frameworks/config_policy/src/config_policy_utils.c
@@ -474,6 +474,24 @@ char *GetOneCfgFile(const char *pathSuffix, char *buf, unsigned int bufLength)
     return GetOneCfgFileEx(pathSuffix, buf, bufLength, FOLLOWX_MODE_DEFAULT, NULL);
 }
 
+char *StrDupCustom(const char *buf)
+{
+    if (buf == NULL) {
+        return NULL;
+    }
+    size_t len = strlen(buf);
+    char *paths = (char*)malloc(sizeof(char) * (len + 1));
+    if (paths == NULL) {
+        return NULL;
+    }
+    errno_t ret = strcpy_s(paths, len + 1, buf);
+    if (ret != 0) {
+        free(paths);
+        paths = NULL;
+    }
+    return paths;
+}
+
 CfgFiles *GetCfgFilesEx(const char *pathSuffix, int followMode, const char *extra)
 {
     if (pathSuffix == NULL) {
@@ -499,14 +517,21 @@ CfgFiles *GetCfgFilesEx(const char *pathSuffix, int followMode, const char *extr
         }
         if (snprintf_s(buf, MAX_PATH_LEN, MAX_PATH_LEN - 1, "%s/%s", dirs->paths[i], pathSuffix) > 0 &&
             access(buf, F_OK) == 0) {
-            files->paths[index++] = strdup(buf);
+            files->paths[index] = StrDupCustom(buf);
+            if (files->paths[index] != NULL) {
+                index++;
+            }
         }
         for (int j = 0; result && j < result->segCount && index < MAX_CFG_POLICY_DIRS_CNT; j++) {
-            if (result->segs[j] &&
-                snprintf_s(buf, MAX_PATH_LEN, MAX_PATH_LEN - 1, "%s/%s/%s", dirs->paths[i], result->segs[j],
-                pathSuffix) > 0 &&
-                access(buf, F_OK) == 0) {
-                files->paths[index++] = strdup(buf);
+            if ((!result->segs[j]) ||
+                (snprintf_s(buf, MAX_PATH_LEN, MAX_PATH_LEN - 1, "%s/%s/%s", dirs->paths[i], result->segs[j],
+                            pathSuffix) <= 0) ||
+                (access(buf, F_OK) != 0)) {
+                continue;
+            }
+            files->paths[index] = StrDupCustom(buf);
+            if (files->paths[index] != NULL) {
+                index++;
             }
         }
     }