[ios] update xcode version in travis ci
diff --git a/.travis.yml b/.travis.yml
index ebeb24e..a37f2cc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@
- env: TEST_SUITE=jsfm
- env: TEST_SUITE=ios
os: osx
- osx_image: xcode11.2
+ osx_image: xcode12
language: objective-c
- env: TEST_SUITE=android ABI=armeabi-v7a
language: android
@@ -45,7 +45,7 @@
# static check
- env: TEST_SUITE=static_code_analysis OCLINT=true
os: osx
- osx_image: xcode11.2
+ osx_image: xcode12
language: objective-c
- env: TEST_SUITE=static_code_analysis ANDROID_LINT=true
language: android