upgrade protobuf download link and improve code for readme.md

deploy/config/.example.env

@@ -20,7 +20,7 @@ SINKS__WEBHOOK__BATCH_SIZE=100
 SINKS__WEBHOOK__BATCH_TIMEOUT_MS=1000
 
 SINKS__FILE__ENABLED=true
-SINKS__FILE__PATH=./deploy/logs/app.log
+SINKS__FILE__PATH=./deploy/logs/rustfs.log
 SINKS__FILE__BATCH_SIZE=10
 SINKS__FILE__BATCH_TIMEOUT_MS=1000
 

deploy/config/obs-zh.example.toml

@@ -25,7 +25,7 @@ batch_timeout_ms = 1000           # 批处理超时时间，单位为毫秒
 
 [sinks.file]                       # 文件接收器配置
 enabled = true                     # 是否启用文件接收器
-path = "/Users/qun/Documents/rust/rustfs/s3-rustfs/logs/app.log" # 日志文件路径
+path = "./deploy/logs/rustfs.log" # 日志文件路径
 batch_size = 10                    # 批处理大小
 batch_timeout_ms = 1000           # 批处理超时时间，单位为毫秒
 

deploy/config/obs.example.toml

@@ -25,7 +25,7 @@ batch_timeout_ms = 1000 # Default is 100ms if not specified
 
 [sinks.file]
 enabled = true
-path = "./deploy/logs/app.log"
+path = "./deploy/logs/rustfs.log"
 batch_size = 100
 batch_timeout_ms = 1000 # Default is 8192 bytes if not specified