diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index c96f78e6d..2a5ff4d60 100644
--- a/port/linux/.vscode/launch.json
+++ b/port/linux/.vscode/launch.json
@@ -11,9 +11,14 @@
             "program": "${workspaceFolder}/build/test/pikascript_test",
             // "program": "${workspaceFolder}/../build/src/boot/demo06-pikamain/pikascript_demo06-pikamain",
             "args": [
-                // "--gtest_filter=queueObj.currentObj"
+                // "--gtest_filter=queue*"
                 // "--gtest_filter=parser*"
-                // "--gtest_filter=VM.RUN_local_b"
+                // "--gtest_filter=args*",
+                // "--gtest_filter=content*",
+                // "--gtest_filter=object_test.printa",
+                "--gtest_filter=object_test*",
+                // "--gtest_filter=stack*",
+                // "--gtest_filter=strs*",
                 // "--gtest_filter=block.ifrun2"
                 // "--gtest_filter=sysObj.print"
                 // "--gtest_filter=object_test.a_b"
diff --git a/port/linux/package/pikascript/PikaStdLib.py b/port/linux/package/pikascript/PikaStdLib.py
index 7e0b5e137..81a1abcbb 100644
--- a/port/linux/package/pikascript/PikaStdLib.py
+++ b/port/linux/package/pikascript/PikaStdLib.py
@@ -15,8 +15,5 @@ class SysObj(BaseObj):
     def type(argPath: str):
         pass
 
-    def ls(objPath: str):
-        pass
-
     def remove(argPath: str):
         pass
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
index 9ab31ffa1..02a84d27c 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
@@ -1,56 +1,6 @@
 #include "BaseObj.h"
 #include "dataStrs.h"
 
-static int32_t __foreach_listEachArg(Arg* argEach, Args* handleArgs) {
-    Args* buffs = handleArgs;
-    if (NULL == handleArgs) {
-        /* error: not handleArgs input */
-        return 1;
-    }
-
-    char* argName = strsCopy(buffs, arg_getNameHash(argEach));
-    if (strIsStartWith(argName, "[")) {
-        /* skip */
-        return 0;
-    }
-
-    char* stringOut = args_getStr(handleArgs, "stringOut");
-    if (NULL == stringOut) {
-        // stringOut no found
-        return 1;
-    }
-
-    stringOut = strsAppend(buffs, stringOut, argName);
-    stringOut = strsAppend(buffs, stringOut, " ");
-    args_setStr(handleArgs, "stringOut", stringOut);
-    return 0;
-}
-
-void PikaStdLib_SysObj_ls(PikaObj* self, char* objPath) {
-    obj_setErrorCode(self, 0);
-    Args* args = New_args(NULL);
-    args_setStr(args, "stringOut", "");
-    obj_setSysOut(self, "");
-    if (NULL == objPath) {
-        /* no input obj path, use current obj */
-        args_foreach(self->attributeList, __foreach_listEachArg, args);
-        obj_setSysOut(self, args_getStr(args, "stringOut"));
-        goto exit;
-    }
-    PikaObj* obj = obj_getObj(self, objPath, 0);
-    if (NULL == obj) {
-        /* do not find obj */
-        obj_setSysOut(self, "[error] list: object no found.");
-        obj_setErrorCode(self, 1);
-        goto exit;
-    }
-    /* list args */
-    args_foreach(obj->attributeList, __foreach_listEachArg, args);
-    obj_setSysOut(self, args_getStr(args, "stringOut"));
-exit:
-    args_deinit(args);
-}
-
 void PikaStdLib_SysObj_remove(PikaObj* self, char* argPath) {
     obj_setErrorCode(self, 0);
     int32_t res = obj_removeArg(self, argPath);
diff --git a/port/linux/test/content-test.cpp b/port/linux/test/content-test.cpp
index 265ce19dd..fcd34aa57 100644
--- a/port/linux/test/content-test.cpp
+++ b/port/linux/test/content-test.cpp
@@ -73,7 +73,7 @@ TEST(content, set) {
     ASSERT_EQ(content[3], 4);
     ASSERT_EQ(totleSize, 24);
 
-    ASSERT_EQ(hash_time33("name"), nameHash);
+    ASSERT_EQ(hash_time33((char *)"name"), nameHash);
     ASSERT_STREQ("type", type);
 
     content_deinit(self);
diff --git a/src/PikaObj.c b/src/PikaObj.c
index 634256c8a..a50a5a5b0 100644
--- a/src/PikaObj.c
+++ b/src/PikaObj.c
@@ -416,7 +416,8 @@ int32_t obj_removeArg(PikaObj* self, char* argPath) {
         goto exit;
     }
     char* argName = strsGetLastToken(buffs, argPath, '.');
-    int32_t res = args_removeArg(objHost->attributeList, argName);
+    int32_t res = args_removeArg(objHost->attributeList,
+                                 args_getArg(objHost->attributeList, argName));
     if (1 == res) {
         /*[error] not found arg*/
         err = 2;
diff --git a/src/PikaVM.c b/src/PikaVM.c
index 088e8183e..b3cda347b 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -433,7 +433,8 @@ int32_t __clearInvokeQueues(Parameters* locals) {
         Queue* queue = (Queue*)args_getPtr(locals->attributeList, deepth);
         if (NULL != queue) {
             args_deinit(queue);
-            args_removeArg(locals->attributeList, deepth);
+            args_removeArg(locals->attributeList,
+                           args_getArg(locals->attributeList, deepth));
         }
     }
     return 0;
diff --git a/src/dataQueue.c b/src/dataQueue.c
index 2551f985a..6e774b78f 100644
--- a/src/dataQueue.c
+++ b/src/dataQueue.c
@@ -11,25 +11,26 @@
 #include "dataArgs.h"
 
 static uint16_t const str100p[100] = {
-    0x3030, 0x3130, 0x3230, 0x3330, 0x3430, 0x3530, 0x3630, 0x3730, 0x3830, 0x3930,
-    0x3031, 0x3131, 0x3231, 0x3331, 0x3431, 0x3531, 0x3631, 0x3731, 0x3831, 0x3931,
-    0x3032, 0x3132, 0x3232, 0x3332, 0x3432, 0x3532, 0x3632, 0x3732, 0x3832, 0x3932,
-    0x3033, 0x3133, 0x3233, 0x3333, 0x3433, 0x3533, 0x3633, 0x3733, 0x3833, 0x3933,
-    0x3034, 0x3134, 0x3234, 0x3334, 0x3434, 0x3534, 0x3634, 0x3734, 0x3834, 0x3934,
-    0x3035, 0x3135, 0x3235, 0x3335, 0x3435, 0x3535, 0x3635, 0x3735, 0x3835, 0x3935,
-    0x3036, 0x3136, 0x3236, 0x3336, 0x3436, 0x3536, 0x3636, 0x3736, 0x3836, 0x3936,
-    0x3037, 0x3137, 0x3237, 0x3337, 0x3437, 0x3537, 0x3637, 0x3737, 0x3837, 0x3937,
-    0x3038, 0x3138, 0x3238, 0x3338, 0x3438, 0x3538, 0x3638, 0x3738, 0x3838, 0x3938,
-    0x3039, 0x3139, 0x3239, 0x3339, 0x3439, 0x3539, 0x3639, 0x3739, 0x3839, 0x3939, };
+    0x3030, 0x3130, 0x3230, 0x3330, 0x3430, 0x3530, 0x3630, 0x3730, 0x3830,
+    0x3930, 0x3031, 0x3131, 0x3231, 0x3331, 0x3431, 0x3531, 0x3631, 0x3731,
+    0x3831, 0x3931, 0x3032, 0x3132, 0x3232, 0x3332, 0x3432, 0x3532, 0x3632,
+    0x3732, 0x3832, 0x3932, 0x3033, 0x3133, 0x3233, 0x3333, 0x3433, 0x3533,
+    0x3633, 0x3733, 0x3833, 0x3933, 0x3034, 0x3134, 0x3234, 0x3334, 0x3434,
+    0x3534, 0x3634, 0x3734, 0x3834, 0x3934, 0x3035, 0x3135, 0x3235, 0x3335,
+    0x3435, 0x3535, 0x3635, 0x3735, 0x3835, 0x3935, 0x3036, 0x3136, 0x3236,
+    0x3336, 0x3436, 0x3536, 0x3636, 0x3736, 0x3836, 0x3936, 0x3037, 0x3137,
+    0x3237, 0x3337, 0x3437, 0x3537, 0x3637, 0x3737, 0x3837, 0x3937, 0x3038,
+    0x3138, 0x3238, 0x3338, 0x3438, 0x3538, 0x3638, 0x3738, 0x3838, 0x3938,
+    0x3039, 0x3139, 0x3239, 0x3339, 0x3439, 0x3539, 0x3639, 0x3739, 0x3839,
+    0x3939,
+};
 
-char *fast_itoa(char *buf, uint32_t val)
-{
-    char *p = &buf[10];
+char* fast_itoa(char* buf, uint32_t val) {
+    char* p = &buf[10];
 
     *p = '\0';
 
-    while(val >= 100)
-    {
+    while (val >= 100) {
         uint32_t const old = val;
 
         p -= 2;
@@ -61,7 +62,7 @@ int32_t queue_pushInt(Queue* queue, int val) {
     Args* args = queue;
     uint64_t top = args_getInt(args, "top");
     char buff[11];
-    char *topStr = fast_itoa(buff,  top);
+    char* topStr = fast_itoa(buff, top);
     /* add top */
     args_setInt(args, "top", top + 1);
     return args_setInt(args, topStr, val);
@@ -71,11 +72,11 @@ int64_t queue_popInt(Queue* queue) {
     Args* args = queue;
     uint64_t bottom = args_getInt(args, "bottom");
     char buff[11];
-    char *bottomStr = fast_itoa(buff, bottom);
+    char* bottomStr = fast_itoa(buff, bottom);
     /* add bottom */
     args_setInt(args, "bottom", bottom + 1);
     int64_t res = args_getInt(args, bottomStr);
-    args_removeArg(args, bottomStr);
+    args_removeArg(args, args_getArg(args, bottomStr));
     return res;
 }
 
@@ -83,7 +84,7 @@ int32_t queue_pushFloat(Queue* queue, float val) {
     Args* args = queue;
     uint64_t top = args_getInt(args, "top");
     char buff[11];
-    char *topStr = fast_itoa(buff,  top);
+    char* topStr = fast_itoa(buff, top);
     /* add top */
     args_setInt(args, "top", top + 1);
     return args_setFloat(args, topStr, val);
@@ -93,11 +94,11 @@ float queue_popFloat(Queue* queue) {
     Args* args = queue;
     uint64_t bottom = args_getInt(args, "bottom");
     char buff[11];
-    char *bottomStr = fast_itoa(buff, bottom);
+    char* bottomStr = fast_itoa(buff, bottom);
     /* add bottom */
     args_setInt(args, "bottom", bottom + 1);
     float res = args_getFloat(args, bottomStr);
-    args_removeArg(args, bottomStr);
+    args_removeArg(args, args_getArg(args, bottomStr));
     return res;
 }
 
@@ -106,7 +107,7 @@ int32_t queue_pushStr(Queue* queue, char* str) {
     uint64_t top = args_getInt(args, "top");
     char buff[11];
     /* add top */
-    char *topStr = fast_itoa(buff,  top);
+    char* topStr = fast_itoa(buff, top);
     args_setInt(args, "top", top + 1);
     return args_setStr(args, topStr, str);
 }
@@ -117,7 +118,7 @@ char* queue_popStr(Queue* queue) {
     char buff[11];
     /* add bottom */
     args_setInt(args, "bottom", bottom + 1);
-    return args_getStr(args, fast_itoa(buff,  bottom));
+    return args_getStr(args, fast_itoa(buff, bottom));
 }
 
 int32_t queue_pushArg(Queue* queue, Arg* arg) {
@@ -125,7 +126,7 @@ int32_t queue_pushArg(Queue* queue, Arg* arg) {
     uint64_t top = args_getInt(args, "top");
     /* add top */
     args_setInt(args, "top", top + 1);
-    char buff[11];    
+    char buff[11];
     arg = arg_setName(arg, fast_itoa(buff, top));
     return args_setArg(args, arg);
 }
@@ -135,7 +136,7 @@ Arg* queue_popArg(Queue* queue) {
     uint64_t bottom = args_getInt(args, "bottom");
     /* add bottom */
     args_setInt(args, "bottom", bottom + 1);
-    char buff[11];        
-    Arg* res = args_getArg(args, fast_itoa(buff,  bottom));
+    char buff[11];
+    Arg* res = args_getArg(args, fast_itoa(buff, bottom));
     return res;
 }
\ No newline at end of file
diff --git a/src/dataStack.c b/src/dataStack.c
index 23e6627a5..74cf588e1 100644
--- a/src/dataStack.c
+++ b/src/dataStack.c
@@ -29,6 +29,6 @@ char* stack_popStr(Stack* queue, char* outBuff) {
     args_setInt(args, "top", top);
     char* topStr = fast_itoa(buff, top);
     strcpy(outBuff, args_getStr(args, topStr));
-    args_removeArg(args, topStr);
+    args_removeArg(args, args_getArg(args, topStr));
     return outBuff;
 }
\ No newline at end of file