修改 topic 默认值

.gitignore

@@ -8,3 +8,4 @@
 out
 gen
 runtime
+/vendor

funtion.go

@@ -70,13 +70,18 @@ func GenAliConfig(level Level) *AliLSConfig {
 		endpoint = "cn-hongkong.log.aliyuncs.com"
 	}
 	source := os.Getenv("GRLOG_SOURCE")
+	appName := os.Getenv("GRLOG_APP_NAME")
+	topic := os.Getenv("GRLOG_TOPIC")
+	if topic == "" {
+		topic = appName
+	}
 	c := &AliLSConfig{
 		Project:   project,
 		Endpoint:  endpoint,
 		KeyID:     "LTAI5tMA7iMGFfuc3xSRVCGQ",
 		KeySecret: "z98EpzmYmgiVLKizxP7pMF4BPbHfPV",
-		LogStore:  os.Getenv("GRLOG_APP_NAME"),
-		Topics:    []string{os.Getenv("GRLOG_TOPIC")},
+		LogStore:  appName,
+		Topics:    []string{topic},
 		Source:    source,
 		Level:     level,
 		FlushWhen: 0,