chore(ci): update discord notification format

- Extract only first line of commit message using head command
- Add embed color for better visibility
- Use Chinese labels for clearer notification
- Simplify message structure to prevent overflow

.drone.yml

@@ -57,12 +57,14 @@ steps:
         from_secret: discord_webhook_id
       webhook_token:
         from_secret: discord_webhook_token
-      message: |
-        Drone Build #${DRONE_BUILD_NUMBER} ${DRONE_BUILD_STATUS}
-        Project: ${DRONE_REPO_NAME}
-        Branch: ${DRONE_BRANCH}
-        Commit: ${DRONE_COMMIT_SHA:0:8}
-        [Build Log](${DRONE_BUILD_LINK})
+      color: "#48f442"   # 指定 embed 样式
+      message:
+        - |
+          ${DRONE_REPO} 构建通知
+          Commit: $(echo "${DRONE_COMMIT_MESSAGE}" | head -n1)
+          Branch: ${DRONE_COMMIT_BRANCH}
+          状态: ${DRONE_BUILD_STATUS}
+          链接: ${DRONE_BUILD_LINK}
     when:
       status: [success, failure]