diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index 8d5b8ff18..7738fcd01 100644
--- a/port/linux/.vscode/launch.json
+++ b/port/linux/.vscode/launch.json
@@ -18,6 +18,7 @@
             "program": "${workspaceFolder}/build/test/pikascript_test",
             // "program": "${workspaceFolder}/../build/src/boot/demo06-pikamain/pikascript_demo06-pikamain",
             "args": [
+                // "--gtest_filter=parser.__get__",
                 // "--gtest_filter=pikaMain.print_with_enter",
                 // "--gtest_filter=pikaMain.str_add",
                 // "--gtest_filter=content*",
diff --git a/port/linux/api-make-linux.sh b/port/linux/api-make-linux.sh
old mode 100644
new mode 100755
diff --git a/port/linux/api-make-win10.sh b/port/linux/api-make-win10.sh
old mode 100644
new mode 100755
diff --git a/port/linux/api-make.sh b/port/linux/api-make.sh
old mode 100644
new mode 100755
diff --git a/port/linux/ci_benchmark.sh b/port/linux/ci_benchmark.sh
old mode 100644
new mode 100755
diff --git a/port/linux/gtest.sh b/port/linux/gtest.sh
old mode 100644
new mode 100755
diff --git a/port/linux/init.sh b/port/linux/init.sh
old mode 100644
new mode 100755
diff --git a/port/linux/install_dependency.sh b/port/linux/install_dependency.sh
old mode 100644
new mode 100755
diff --git a/port/linux/make.sh b/port/linux/make.sh
old mode 100644
new mode 100755
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 ad5f1d7d1..f11183548 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
@@ -138,13 +138,6 @@ Arg* PikaStdLib_SysObj_range(PikaObj* self, int a1, int a2, int a3) {
     return arg_setMetaObj("", "PikaStdLib_RangeObj", New_PikaStdLib_RangeObj);
 }
 
-void __Sys_initObj(PikaObj* self, Arg* mate_obj) {
-    if (TYPE_MATE_OBJECT != arg_getType(mate_obj)) {
-        return;
-    }
-    Hash arg_hash = arg_getNameHash(mate_obj);
-}
-
 Arg* PikaStdLib_SysObj___get__(PikaObj* self, Arg* key, Arg* obj) {
     ArgType obj_type = arg_getType(obj);
     if ((TYPE_OBJECT == obj_type) || (TYPE_POINTER == obj_type)) {
@@ -162,7 +155,6 @@ Arg* PikaStdLib_SysObj___get__(PikaObj* self, Arg* key, Arg* obj) {
 
 void PikaStdLib_SysObj___set__(PikaObj* self, Arg* key, Arg* obj, Arg* val) {
     ArgType obj_type = arg_getType(obj);
-    __Sys_initObj(self, obj);
     if ((TYPE_OBJECT == obj_type) || (TYPE_POINTER == obj_type)) {
         PikaObj* arg_obj = arg_getPtr(obj);
         obj_setArg(arg_obj, "__key", key);
diff --git a/port/linux/pkg-push.sh b/port/linux/pkg-push.sh
old mode 100644
new mode 100755
diff --git a/port/linux/pull-core.sh b/port/linux/pull-core.sh
old mode 100644
new mode 100755
diff --git a/port/linux/push-core.sh b/port/linux/push-core.sh
old mode 100644
new mode 100755
diff --git a/port/linux/run.sh b/port/linux/run.sh
old mode 100644
new mode 100755
diff --git a/port/linux/test-banchmark.sh b/port/linux/test-banchmark.sh
old mode 100644
new mode 100755
diff --git a/port/linux/test/parse-test.cpp b/port/linux/test/parse-test.cpp
index 2dcf87259..5f4c43337 100644
--- a/port/linux/test/parse-test.cpp
+++ b/port/linux/test/parse-test.cpp
@@ -1798,3 +1798,20 @@ TEST(parser, print_ddd) {
     args_deinit(buffs);
     EXPECT_EQ(pikaMemNow(), 0);
 }
+
+TEST(parser, __get__) {
+    pikaMemInfo.heapUsedMax = 0;
+    Args* buffs = New_strBuff();
+    char* lines = (char*)
+                 "a = b[c]\n";
+    printf("%s", lines);
+    char* pikaAsm = Parser_multiLineToAsm(buffs, (char*)lines);
+    printf("%s", pikaAsm);
+    // EXPECT_STREQ(pikaAsm,
+    //         "B0\n"
+    //         "1 STR [Info]: in Python config...\n"
+    //         "0 RUN print\n"
+    //     );
+    args_deinit(buffs);
+    EXPECT_EQ(pikaMemNow(), 0);
+}
diff --git a/port/linux/update-compiler.sh b/port/linux/update-compiler.sh
old mode 100644
new mode 100755
diff --git a/src/PikaParser.c b/src/PikaParser.c
index f11ccc099..e5489d5d0 100644
--- a/src/PikaParser.c
+++ b/src/PikaParser.c
@@ -542,15 +542,27 @@ char* Lexer_popToken(Args* buffs, char* tokens_buff) {
     return strsPopToken(buffs, tokens_buff, 0x1F);
 }
 
-uint8_t Lexer_isContain(char* tokens, char* operator) {
+uint16_t Lexer_getTokenSize(char* tokens) {
+    return strCountSign(tokens, 0x1F) + 1;
+}
+
+enum TokenType Lexer_getTokenType(char* token) {
+    return token[0];
+}
+
+char* Lexer_getTokenPyload(char* token) {
+    return (char*)((uintptr_t)token + 1);
+}
+
+uint8_t Lexer_isContain(char* tokens, enum TokenType token_type, char* pyload) {
     Args* buffs = New_strBuff();
     char* tokens_buff = strsCopy(buffs, tokens);
     uint8_t res = 0;
-    uint16_t token_size = strCountSign(tokens, 0x1F) + 1;
+    uint16_t token_size = Lexer_getTokenSize(tokens);
     for (int i = 0; i < token_size; i++) {
         char* token = Lexer_popToken(buffs, tokens_buff);
-        if (TOKEN_operator == token[0]) {
-            if (strEqu(token + 1, operator)) {
+        if (token_type == Lexer_getTokenType(token)) {
+            if (strEqu(Lexer_getTokenPyload(token), pyload)) {
                 res = 1;
                 goto exit;
             }
@@ -570,7 +582,7 @@ char* Lexer_getOperator(Args* outBuffs, char* stmt) {
         "&",  "^",   "|",  "<",  "<=", ">",   ">=",    "!=",    "==",  "%=",
         "/=", "//=", "-=", "+=", "*=", "**=", " not ", " and ", " or "};
     for (uint32_t i = 0; i < sizeof(operators) / 6; i++) {
-        if (Lexer_isContain(tokens, (char*)operators[i])) {
+        if (Lexer_isContain(tokens, TOKEN_operator, (char*)operators[i])) {
             operator= strsCopy(buffs, (char*)operators[i]);
         }
     }
@@ -580,6 +592,55 @@ char* Lexer_getOperator(Args* outBuffs, char* stmt) {
     return operator;
 }
 
+char* Parser_solveRightBranckets(Args* outBuffs, char* right) {
+    Args* buffs = New_args(NULL);
+    char* tokens = NULL;
+    char *token1, *token2 = NULL;
+    char *pyload1, *pyload2 = NULL;
+    Arg* right_arg = arg_setStr(NULL, "", "");
+    Arg* token1_arg = NULL;
+    enum TokenType token_type1, token_type2;
+    do {
+        tokens = Lexer_getTokens(buffs, right);
+        if (!Lexer_isContain(tokens, TOKEN_devider, "[")) {
+            /* not contain '[', return origin */
+            arg_deinit(right_arg);
+            right_arg = arg_setStr(right_arg, "", right);
+            break;
+        }
+        uint16_t len = Lexer_getTokenSize(tokens);
+        Lexer_popToken(buffs, tokens);
+        token1_arg = arg_setStr(NULL, "", Lexer_popToken(buffs, tokens));
+        for (int i = 0; i < len; i++) {
+            char* token_buffs = New_strBuff();
+            token1 = strsCopy(token_buffs, arg_getStr(token1_arg));
+            arg_deinit(token1_arg);
+            token2 = Lexer_popToken(token_buffs, tokens);
+            token1_arg = arg_setStr(NULL, "", token2);
+            token_type1 = Lexer_getTokenType(token1);
+            token_type2 = Lexer_getTokenType(token2);
+            pyload1 = Lexer_getTokenPyload(token1);
+            pyload2 = Lexer_getTokenPyload(token2);
+
+            /* matched [] */
+            if ((TOKEN_devider == token_type1) && (strEqu(pyload1, "["))) {
+            } else if ((TOKEN_devider == token_type1) &&
+                       (strEqu(pyload1, "]"))) {
+            } else {
+                right_arg = arg_strAppend(right_arg, pyload1);
+            }
+            args_deinit(token_buffs);
+        }
+        arg_deinit(token1_arg);
+    } while (0);
+
+    /* clean and retur */
+    right = strsCopy(outBuffs, arg_getStr(right_arg));
+    arg_deinit(right_arg);
+    args_deinit(buffs);
+    return right;
+}
+
 AST* AST_parseStmt(AST* ast, char* stmt) {
     Args* buffs = New_strBuff();
     char* assignment = strsGetFirstToken(buffs, stmt, '(');
@@ -604,6 +665,10 @@ AST* AST_parseStmt(AST* ast, char* stmt) {
     } else {
         right = stmt;
     }
+    /* solve the [] stmt */
+    right = Parser_solveRightBranckets(buffs, right);
+
+    /* match statment type */
     enum StmtType stmtType = Lexer_matchStmtType(right);
     /* solve operator stmt */
     if (STMT_operator == stmtType) {
diff --git a/src/PikaVM.c b/src/PikaVM.c
index bf2470457..206015702 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -60,7 +60,6 @@ enum Instruct {
 
 #define __INS_ENUM
 #include "__instruction_table.cfg"
-
     __INSTRCUTION_CNT,
 };
 
@@ -370,27 +369,29 @@ static Arg* VM_instruction_handler_OPT(PikaObj* self,
             goto OPT_exit;
         }
         /* default: int and float */
-        outArg = arg_setInt(outArg, "",
-                            (num1_f - num2_f) * (num1_f - num2_f) < 0.000001);
+        outArg =
+            arg_setInt(outArg, "",
+                       (num1_f - num2_f) * (num1_f - num2_f) < (float)0.000001);
         goto OPT_exit;
     }
     if (strEqu("!=", data)) {
         outArg = arg_setInt(
-            outArg, "", !((num1_f - num2_f) * (num1_f - num2_f) < 0.000001));
+            outArg, "",
+            !((num1_f - num2_f) * (num1_f - num2_f) < (float)0.000001));
         goto OPT_exit;
     }
     if (strEqu(">=", data)) {
-        outArg =
-            arg_setInt(outArg, "",
-                       (num1_f > num2_f) ||
-                           ((num1_f - num2_f) * (num1_f - num2_f) < 0.000001));
+        outArg = arg_setInt(
+            outArg, "",
+            (num1_f > num2_f) ||
+                ((num1_f - num2_f) * (num1_f - num2_f) < (float)0.000001));
         goto OPT_exit;
     }
     if (strEqu("<=", data)) {
-        outArg =
-            arg_setInt(outArg, "",
-                       (num1_f < num2_f) ||
-                           ((num1_f - num2_f) * (num1_f - num2_f) < 0.000001));
+        outArg = arg_setInt(
+            outArg, "",
+            (num1_f < num2_f) ||
+                ((num1_f - num2_f) * (num1_f - num2_f) < (float)0.000001));
         goto OPT_exit;
     }
     if (strEqu("&", data)) {
diff --git a/src/dataStrs.c b/src/dataStrs.c
index 43788bf78..249ab5ed1 100644
--- a/src/dataStrs.c
+++ b/src/dataStrs.c
@@ -142,8 +142,12 @@ char* strsReplace(Args* buffs, char* orig, char* rep, char* with) {
     len_with = strlen(with);
     // count the number of replacements needed
     ins = orig;
-    for (count = 0; (tmp = strstr(ins, rep)); ++count) {
+    tmp = strstr(ins, rep);
+    count = 0;
+    while (tmp) {
+        count++;
         ins = tmp + len_rep;
+        tmp = strstr(ins, rep);
     }
     tmp = args_getBuff(buffs, strlen(orig) + (len_with - len_rep) * count + 1);
     result = tmp;