diff --git a/.drone.yml b/.drone.yml
index 5968d77..b5fb795 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,14 +8,14 @@ platform:
 steps:
 - name: build
   pull: always
-  image: immawanderer/archlinux-cdev
+  image: immawanderer/archlinux-cdev:latest
   commands:
   - cmake CMakeLists.txt
   - make
 
 - name: valgrind-test0
   pull: if-not-exists
-  image: immawanderer/archlinux-cdev
+  image: immawanderer/archlinux-cdev:latest
   commands:
   - valgrind --log-file=valgrind_output ./pjc-0x02 < ./test_input0 > /dev/null
   - cat valgrind_output
@@ -27,7 +27,7 @@ steps:
 
 - name: valgrind-test1
   pull: if-not-exists
-  image: immawanderer/archlinux-cdev
+  image: immawanderer/archlinux-cdev:latest
   commands:
   - valgrind --log-file=valgrind_output ./pjc-0x02 < ./test_input1 > /dev/null
   - cat valgrind_output
@@ -39,7 +39,7 @@ steps:
 
 - name: valgrind-test2
   pull: if-not-exists
-  image: immawanderer/archlinux-cdev
+  image: immawanderer/archlinux-cdev:latest
   commands:
   - valgrind --log-file=valgrind_output ./pjc-0x02 < ./test_input2 > /dev/null
   - cat valgrind_output
@@ -80,7 +80,7 @@ steps:
     pull: always
     image: appleboy/drone-discord:1.2.4
     settings:
-      message: "{{#success build.status}} ✅ [Build #{{build.number}}]({{build.link}}) of `{{repo.name}}` succeeded.\nevent: **`{{build.event}}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}}`\n```{{commit.message}}``` {{else}} ❌ [Build #{{build.number}}]({{build.link}}) of `{{repo.name}}` failed.\nevent: **`${DRONE_BUILD_EVENT}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}} on `{{commit.branch}}`:\n``` {{commit.message}} ``` {{/success}}\n\n"
+      message: "{{#success build.status}} ✅ [Build #{{build.number}}]({{build.link}}) of `{{repo.name}}` succeeded.\nevent: **`{{build.event}}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}}`\n```{{commit.message}}``` {{else}} ❌ [Build #{{build.number}}]({{build.link}}) of `{{repo.name}}` failed.\nevent: **`${DRONE_BUILD_EVENT}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}} on `{{commit.branch}}`:\n```{{commit.message}}``` {{/success}}\n"
       webhook_id:
         from_secret: discord_webhook_id
       webhook_token:
@@ -116,7 +116,7 @@ steps:
     pull: always
     image: appleboy/drone-discord:1.2.4
     settings:
-      message: "{{#success build.status}} ✅ [Hourly build #{{build.number}}]({{build.link}}) of `{{repo.name}}` succeeded.\nevent: **`{{build.event}}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}}`\n```{{commit.message}}``` {{else}} ❌ [Hourly build #{{build.number}}]({{build.link}}) of `{{repo.name}}` failed.\nevent: **`${DRONE_BUILD_EVENT}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}} on `{{commit.branch}}`:\n``` {{commit.message}} ``` {{/success}}\n\n"
+      message: "{{#success build.status}} ✅ [Hourly build #{{build.number}}]({{build.link}}) of `{{repo.name}}` succeeded.\nevent: **`{{build.event}}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}}` {{else}} ❌ [Hourly build #{{build.number}}]({{build.link}}) of `{{repo.name}}` failed.\nevent: **`${DRONE_BUILD_EVENT}`**\ncommit [`${DRONE_COMMIT_SHA:0:7}`](https://git.dotya.ml/${DRONE_REPO}/commit/${DRONE_COMMIT_SHA}) by {{commit.author}} on `{{commit.branch}} on `{{commit.branch}}`{{/success}}"
       webhook_id:
         from_secret: discord_webhook_hourly_id
       webhook_token: