优化代码：统一时间单位为秒，删除部分冗余代码。

src/main/java/com/zdjizhi/etl/LogFormat.java

@@ -0,0 +1,19 @@
+package com.zdjizhi.etl;
+
+import com.zdjizhi.utils.json.TypeUtils;
+
+import java.util.Map;
+
+public class LogFormat {
+
+    public static Map<String, Object> connTime(Map<String, Object> value) {
+        value.put("conn_start_time", TypeUtils.coverMSToS(value.get("conn_start_time")));
+        return value;
+    }
+
+
+    public static Map<String, Object> sketchTime(Map<String, Object> value) {
+        value.put("sketch_start_time", TypeUtils.coverMSToS(value.get("sketch_start_time")));
+        return value;
+    }
+}