diff --git a/.github/workflows/ios_ci.yml b/.github/workflows/ios_ci.yml
--- a/.github/workflows/ios_ci.yml
+++ b/.github/workflows/ios_ci.yml
@@ -26,7 +26,6 @@
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.BUILD_CERTIFICATE_BASE64 }}
           P12_PASSWORD: ${{ secrets.P12_PASSWORD }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
         run: |
           # create variables
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
@@ -36,9 +35,9 @@
           echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode -o $CERTIFICATE_PATH
 
           # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security create-keychain -p "123456" $KEYCHAIN_PATH
           security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security unlock-keychain -p "123456" $KEYCHAIN_PATH
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
diff --git a/.github/workflows/ios_release.yml b/.github/workflows/ios_release.yml
--- a/.github/workflows/ios_release.yml
+++ b/.github/workflows/ios_release.yml
@@ -21,7 +21,6 @@
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.BUILD_CERTIFICATE_BASE64 }}
           P12_PASSWORD: ${{ secrets.P12_PASSWORD }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
         run: |
           # create variables
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
@@ -31,9 +30,9 @@
           echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode -o $CERTIFICATE_PATH
 
           # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security create-keychain -p "123456" $KEYCHAIN_PATH
           security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security unlock-keychain -p "123456" $KEYCHAIN_PATH
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
diff --git a/.github/workflows/macos_ci.yml b/.github/workflows/macos_ci.yml
--- a/.github/workflows/macos_ci.yml
+++ b/.github/workflows/macos_ci.yml
@@ -25,7 +25,6 @@
           MACOS_BUILD_CERTIFICATE_BASE64: ${{ secrets.MACOS_BUILD_CERTIFICATE_BASE64 }}
           MACOS_BUILD_P12_PASSWORD: ${{ secrets.MACOS_BUILD_P12_PASSWORD }}
           MACOS_PROVISIONPROFILE_BASE64: ${{ secrets.MACOS_PROVISIONPROFILE_BASE64 }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
         run: |
           # create variables
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
@@ -36,9 +35,9 @@
           echo -n "$MACOS_BUILD_CERTIFICATE_BASE64" | base64 --decode -o $CERTIFICATE_PATH
 
           # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security create-keychain -p "123456" $KEYCHAIN_PATH
           security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security unlock-keychain -p "123456" $KEYCHAIN_PATH
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$MACOS_BUILD_P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH