diff --git a/build/core/jbc2mpl.mk b/build/core/jbc2mpl.mk
deleted file mode 100644
index 2aa542b9a3e818aeeddbfeaf46de462030f9442c..0000000000000000000000000000000000000000
--- a/build/core/jbc2mpl.mk
+++ /dev/null
@@ -1,2 +0,0 @@
-$(APP_MPL): %.mpl : %.jar $(JBC2MPL_BIN) $(LIB_CORE_MPLT)
-	$(JBC2MPL_BIN) --mplt $(LIB_CORE_MPLT) -injar $(APP_JAR) -out $(APP)
diff --git a/build/core/maple_test.mk b/build/core/maple_test.mk
index 7c2b38fe53f73b57b9ca2b9f19b8816ea533216c..e27eb7378cb655d4f867576a05ae165dd963d39f 100644
--- a/build/core/maple_test.mk
+++ b/build/core/maple_test.mk
@@ -2,7 +2,6 @@ include $(MAPLE_BUILD_CORE)/maple_variables.mk
 
 test: $(APP_S)
 include $(MAPLE_BUILD_CORE)/mplcomb.mk
-include $(MAPLE_BUILD_CORE)/jbc2mpl.mk
 include $(MAPLE_BUILD_CORE)/genmplt.mk
 include $(MAPLE_BUILD_CORE)/java2jar.mk
 
diff --git a/build/core/maple_variables.mk b/build/core/maple_variables.mk
index 2b8127de08bd50a18c4a65e870c3f9b1369616d9..a2b6edc72c6d5d5ff7b575b7e9ec5b7b09631e8e 100644
--- a/build/core/maple_variables.mk
+++ b/build/core/maple_variables.mk
@@ -13,8 +13,3 @@ JAVA2JAR := $(MAPLE_ROOT)/output/bin/java2jar
 JBC2MPL_BIN := $(MAPLE_ROOT)/output/bin/jbc2mpl
 MAPLE_BIN := $(MAPLE_ROOT)/output/bin/maple
 MPLCG_BIN := $(MAPLE_ROOT)/output/bin/mplcg
-MPLME_FLAGS := --quiet
-MPL2MPL_FLAGS := --quiet --regnativefunc --maplelinker
-MPLCG_SO_FLAGS := --fpic
-MPLCG_FLAGS := --quiet --no-pie --verbose-asm --maplelinker
-MPLCOMBO_FLAGS := --run=me:mpl2mpl:mplcg --option="$(MPLME_FLAGS):$(MPL2MPL_FLAGS):$(MPLCG_FLAGS) $(MPLCG_SO_FLAGS)"
diff --git a/build/core/mplcomb.mk b/build/core/mplcomb.mk
index 9db0bc152e810eb6bec5c3e5e31e88095723d8d1..4e740119350a45b77e96f86b51c3bd25147d6c19 100644
--- a/build/core/mplcomb.mk
+++ b/build/core/mplcomb.mk
@@ -1,3 +1,2 @@
-$(APP_S): %.VtableImpl.s : %.mpl $(MAPLE_BIN) $(MPLCG_BIN)
-	$(MAPLE_BIN) --infile $< $(MPLCOMBO_FLAGS) --save-temps
-
+$(APP_S): %.VtableImpl.s : %.jar $(MAPLE_BIN) $(JBC2MPL_BIN) $(MPLCG_BIN) $(LIB_CORE_MPLT)
+	$(MAPLE_BIN) -O0 --mplt $(LIB_CORE_MPLT) $<
diff --git a/src/bin/maple b/src/bin/maple
index 6cbaac7585ed053bb2ed0b949952f0bf77c522d8..ffa9f86ca6c64fecfd52fde40422533941a167ec 100755
Binary files a/src/bin/maple and b/src/bin/maple differ
diff --git a/src/maple_driver/defs/default/O0_options_mpl2mpl.def b/src/maple_driver/defs/default/O0_options_mpl2mpl.def
index 29a13af4f26865b39f5d1373ccca78d8368a9084..f6c8080a0a5604fa5d52d155b7e25542450c322b 100644
--- a/src/maple_driver/defs/default/O0_options_mpl2mpl.def
+++ b/src/maple_driver/defs/default/O0_options_mpl2mpl.def
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) [2019] Huawei Technologies Co.,Ltd.All rights reserved.
+ * Copyright (c) [2019-2020] Huawei Technologies Co.,Ltd.All rights reserved.
  *
  * OpenArkCompiler is licensed under the Mulan PSL v1.
  * You can use this software according to the terms and conditions of the Mulan PSL v1.
@@ -16,3 +16,4 @@
 { "--quiet", "", "", false, "", false },
 { "-regnativefunc", "", "", false, "", false },
 { "--maplelinker", "", "", false, "", false },
+{ "--emitVtableImpl", "", "", false, "", false },
diff --git a/src/maple_driver/src/jbc2mpl_compiler.cpp b/src/maple_driver/src/jbc2mpl_compiler.cpp
index 56e60214692992ec4fc5820ddc5f9e2fb1e7f318..02c75f96c368c7f635c35e8e55b740ec5f31f930 100644
--- a/src/maple_driver/src/jbc2mpl_compiler.cpp
+++ b/src/maple_driver/src/jbc2mpl_compiler.cpp
@@ -28,11 +28,13 @@ DefaultOption Jbc2MplCompiler::GetDefaultOptions(const MplOptions&) const {
 
 void Jbc2MplCompiler::GetTmpFilesToDelete(const MplOptions &mplOptions, std::vector<std::string> &tempFiles) const {
   tempFiles.push_back(mplOptions.GetOutputFolder() + mplOptions.GetOutputName() + ".mpl");
+  tempFiles.push_back(mplOptions.GetOutputFolder() + mplOptions.GetOutputName() + ".mplt");
 }
 
 std::unordered_set<std::string> Jbc2MplCompiler::GetFinalOutputs(const MplOptions &mplOptions) const {
   std::unordered_set<std::string> finalOutputs;
   finalOutputs.insert(mplOptions.GetOutputFolder() + mplOptions.GetOutputName() + ".mpl");
+  finalOutputs.insert(mplOptions.GetOutputFolder() + mplOptions.GetOutputName() + ".mplt");
   return finalOutputs;
 }
 }  // namespace maple
diff --git a/src/maple_driver/src/mplcg_compiler.cpp b/src/maple_driver/src/mplcg_compiler.cpp
index 09b63d2b6bfaf35c1415a26ca45ec22722b1d90f..961e86b46fd1fccc16d91126cbb880fa06b9270a 100644
--- a/src/maple_driver/src/mplcg_compiler.cpp
+++ b/src/maple_driver/src/mplcg_compiler.cpp
@@ -41,6 +41,7 @@ std::string MplcgCompiler::GetInputFileName(const MplOptions &options) const {
       return options.GetInputFiles();
     }
   }
+  // Get base file name
   auto idx = options.GetOutputName().find(".VtableImpl");
   std::string outputName = options.GetOutputName();
   if (idx != std::string::npos) {