diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3c19ece..a83817c 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,7 +13,7 @@ check_lib_reversion:
     - mkdir riscv32
     - wget https://github.com/espressif/crosstool-NG/releases/download/esp-2021r2-patch3/riscv32-esp-elf-gcc8_4_0-esp-2021r2-patch3-linux-amd64.tar.gz >/dev/null 2>&1
     - tar -zxvf riscv32-esp-elf-gcc8_4_0-esp-2021r2-patch3-linux-amd64.tar.gz -C ./riscv32 >/dev/null 2>&1
-    - for dir in esp32c2 esp32c3 esp32c6 esp32h2; do test $(riscv32/riscv32-esp-elf/bin/riscv32-esp-elf-nm $dir/*.a | grep -w printf | wc -l) -eq 0; done;
-    - for dir in esp32c2 esp32c3 esp32c6 esp32h2; do test $(riscv32/riscv32-esp-elf/bin/riscv32-esp-elf-nm $dir/*.a | grep -w ets_printf | wc -l) -eq 0; done;
+    - for dir in esp32c2 esp32c3 esp32c6 esp32h2 esp32h4; do test $(riscv32/riscv32-esp-elf/bin/riscv32-esp-elf-nm $dir/*.a | grep -w printf | wc -l) -eq 0; done;
+    - for dir in esp32c2 esp32c3 esp32c6 esp32h2 esp32h4; do test $(riscv32/riscv32-esp-elf/bin/riscv32-esp-elf-nm $dir/*.a | grep -w ets_printf | wc -l) -eq 0; done;
     - for dir in esp32 esp32s2 esp32s3; do test $(xtensa-esp32-elf-nm $dir/*.a | grep -w printf | wc -l) -eq 0; done;
     - for dir in esp32 esp32s2 esp32s3; do test $(xtensa-esp32-elf-nm $dir/*.a | grep -w ets_printf | wc -l) -eq 0; done;
diff --git a/esp32h4/libbtbb.a b/esp32h4/libbtbb.a
new file mode 100644
index 0000000..e9e3ac9
Binary files /dev/null and b/esp32h4/libbtbb.a differ
diff --git a/esp32h4/libbttestmode.a b/esp32h4/libbttestmode.a
new file mode 100644
index 0000000..5657a3c
Binary files /dev/null and b/esp32h4/libbttestmode.a differ
diff --git a/esp32h4/libphy.a b/esp32h4/libphy.a
new file mode 100644
index 0000000..5b39b83
Binary files /dev/null and b/esp32h4/libphy.a differ
diff --git a/esp32h4/librfate.a b/esp32h4/librfate.a
new file mode 100644
index 0000000..97ac99b
Binary files /dev/null and b/esp32h4/librfate.a differ
diff --git a/esp32h4/librftest.a b/esp32h4/librftest.a
new file mode 100644
index 0000000..b26b3d7
Binary files /dev/null and b/esp32h4/librftest.a differ
diff --git a/fix_printf.sh b/fix_printf.sh
index e93cd85..a3e1c53 100755
--- a/fix_printf.sh
+++ b/fix_printf.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
-for dir in esp32 esp32s2 esp32c3 esp32s3 esp32h2 esp32h4 esp32c2 esp32c6 esp32c5 esp32c61; do
+chip_list=(esp32 esp32s2 esp32c3 esp32s3 esp32h2 esp32h4 esp32c2 esp32c6 esp32c5 esp32c61)
+
+for dir in "${chip_list[@]}"; do
     if [ $dir = esp32 ]; then
         TOOLCHAIN="xtensa-esp32-elf"
     elif [ $dir = esp32s2 ]; then
@@ -18,21 +20,6 @@ for dir in esp32 esp32s2 esp32c3 esp32s3 esp32h2 esp32h4 esp32c2 esp32c6 esp32c5
                 echo $dir/librtc.a fixed
                 $TOOLCHAIN-objcopy --redefine-sym ets_printf=rtc_printf librtc.a
             fi
-        elif [ $dir = esp32h4 ]; then
-            for subdir in rev1 rev2 ; do
-                cd $subdir
-                git status libbtbb.a | grep "modified\|new file" >/dev/null 2>&1
-                if [ $? -eq 0 ]; then
-                    echo $dir/libbtbb.a fixed
-                    $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf libbtbb.a
-                fi
-                git status libphy.a | grep "modified\|new file" >/dev/null 2>&1
-                if [ $? -eq 0 ]; then
-                    echo $dir/libphy.a fixed
-                    $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf libphy.a
-                fi
-                cd ..
-            done
         elif [ $dir != esp32s2 ]; then
             git status libbtbb.a | grep "modified\|new file" >/dev/null 2>&1
             if [ $? -eq 0 ]; then
@@ -45,28 +32,28 @@ for dir in esp32 esp32s2 esp32c3 esp32s3 esp32h2 esp32h4 esp32c2 esp32c6 esp32c5
             echo $dir/libphy.a fixed
             $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf libphy.a
         fi
-        if [ $dir = esp32c3 ] || [ $dir = esp32s3 ] || [ $dir = esp32c2 ] || [ $dir = esp32c6 ] || [ $dir = esp32c5 ] || [ $dir = esp32c61 ] || [ $dir = esp32s2 ] || [ $dir = esp32h2 ] || [ $dir = esp32 ]; then
-            if [ $dir != esp32s2 ]; then
-            	git status libbttestmode.a | grep "modified\|new file" >/dev/null 2>&1
-            	if [ $? -eq 0 ]; then
-                	echo $dir/libbttestmode.a fixed
-                	$TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf libbttestmode.a
-            	fi
-            fi
-            if [ $dir != esp32 ]; then
-            	git status librfate.a | grep "modified\|new file" >/dev/null 2>&1
-            	if [ $? -eq 0 ]; then
-                	echo $dir/librfate.a fixed
-                	$TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf librfate.a
-            	fi
-            fi
-            git status librftest.a | grep "modified\|new file" >/dev/null 2>&1
-            if [ $? -eq 0 ]; then
-                echo $dir/librftest.a fixed
-                $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf librftest.a
-            fi
-        fi
-             
+        case "$dir" in
+            esp32c3|esp32s3|esp32c2|esp32c6|esp32c5|esp32c61|esp32s2|esp32h2|esp32h4|esp32)
+                if [ $dir != esp32s2 ]; then
+                    git status libbttestmode.a | grep "modified\|new file" >/dev/null 2>&1
+                    if [ $? -eq 0 ]; then
+                        echo $dir/libbttestmode.a fixed
+                        $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf libbttestmode.a
+                    fi
+                fi
+                if [ $dir != esp32 ]; then
+                    git status librfate.a | grep "modified\|new file" >/dev/null 2>&1
+                    if [ $? -eq 0 ]; then
+                        echo $dir/librfate.a fixed
+                        $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf librfate.a
+                    fi
+                fi
+                git status librftest.a | grep "modified\|new file" >/dev/null 2>&1
+                if [ $? -eq 0 ]; then
+                    echo $dir/librftest.a fixed
+                    $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf librftest.a
+                fi
+        esac
         cd ..
     else
         echo "$dir does not exist"