diff --git a/sudo/src/main.cpp b/sudo/src/main.cpp
index 7340f791803ddb432ce5a8c80787368745738755..d4cd12e411d5be8c4abc65c172c9fd8ee3cafea4 100644
--- a/sudo/src/main.cpp
+++ b/sudo/src/main.cpp
@@ -34,7 +34,7 @@
 
 #define PWD_BUF_LEN 128
 #define CHALLENGE_LEN 32
-#define DEFAULT_PATH "/system/bin"
+#define DEFAULT_PATH "/usr/local/bin:/bin:/usr/bin:/system/bin:/vendor/bin"
 #define DEFAULT_BASH "/system/bin/sh"
 #define PATH "PATH="
 using namespace OHOS::UserIam;
@@ -112,14 +112,11 @@ static void FreeArgvNew(char **argvNew)
 }
 
 /*
- * Find cmd from PATH
+ * Find cmd from DEFAULT_PATH
 */
-static bool GetCmdInPath(char *cmd, int cmdBufLen, char *envp[])
+static bool GetCmdInPath(char *cmd, int cmdBufLen)
 {
     struct stat st;
-    char *path = nullptr;
-    char *pathBak = nullptr;
-    char **ep = nullptr;
     char *cp = nullptr;
     char pathBuf[PATH_MAX + 1] = {0};
     bool findSuccess = false;
@@ -128,15 +125,7 @@ static bool GetCmdInPath(char *cmd, int cmdBufLen, char *envp[])
         return true;
     }
 
-    for (ep = envp; *ep != nullptr; ep++) {
-        if (strncmp(*ep, PATH, strlen(PATH)) == 0) {
-            path = *ep + strlen(PATH);
-            break;
-        }
-    }
-
-    path = StrDup((path != nullptr && *path != '\0') ? path : DEFAULT_PATH);
-    pathBak = path;
+    char *path = StrDup(DEFAULT_PATH);
     do {
         if ((cp = strchr(path, ':')) != nullptr) {
             *cp = '\0';
@@ -149,7 +138,6 @@ static bool GetCmdInPath(char *cmd, int cmdBufLen, char *envp[])
         path = cp + 1;
     } while (cp != nullptr);
 
-    delete [] pathBak;
     if (!findSuccess) {
         WriteTty(COMMAND_NOT_FOUND);
         return false;
@@ -157,7 +145,7 @@ static bool GetCmdInPath(char *cmd, int cmdBufLen, char *envp[])
     return (sprintf_s(cmd, cmdBufLen, "%s", pathBuf) < 0) ? false : true;
 }
 
-static char **ParseCmd(int argc, char* argv[], char* env[], char *cmd, int cmdLen)
+static char **ParseCmd(int argc, char* argv[], char *cmd, int cmdLen)
 {
     int startCopyArgvIndex = 1;
     int argvNewIndex = 0;
@@ -203,7 +191,7 @@ static char **ParseCmd(int argc, char* argv[], char* env[], char *cmd, int cmdLe
     */
     if (!isShc) {
         ret = sprintf_s(cmd, cmdLen, "%s", argv[1]);
-        if (ret < 0 || !GetCmdInPath(cmd, cmdLen, env)) {
+        if (ret < 0 || !GetCmdInPath(cmd, cmdLen)) {
             FreeArgvNew(argvTmp);
             return nullptr;
         }
@@ -375,7 +363,7 @@ static bool CheckUserLimitation()
 }
 #endif
 
-int main(int argc, char* argv[], char* env[])
+int main(int argc, char* argv[])
 {
     if (!GetUserId()) {
         WriteStdErr("get user id failed.\n");
@@ -406,7 +394,7 @@ int main(int argc, char* argv[], char* env[])
     }
 
     char execCmd[PATH_MAX + 1] = {0};
-    char **argvNew = ParseCmd(argc, argv, env, execCmd, PATH_MAX + 1);
+    char **argvNew = ParseCmd(argc, argv, execCmd, PATH_MAX + 1);
     CloseTty();
     if (argvNew == nullptr) {
         return 1;