diff --git a/cache/src/tango_cache_client.cpp b/cache/src/tango_cache_client.cpp
index 394a7af..baf58dc 100644
--- a/cache/src/tango_cache_client.cpp
+++ b/cache/src/tango_cache_client.cpp
@@ -770,6 +770,8 @@ struct tango_cache_instance *tango_cache_instance_new(struct event_base* evbase,
 
 	instance = (struct tango_cache_instance *)malloc(sizeof(struct tango_cache_instance));
 	memset(instance, 0, sizeof(struct tango_cache_instance));
+	instance->runtime_log = runtimelog;	
+	instance->evbase = evbase;
 	
 	if(load_local_configure(instance, profile_path, section))
 	{
@@ -782,10 +784,7 @@ struct tango_cache_instance *tango_cache_instance_new(struct event_base* evbase,
 		return NULL;
 	}
 
-	instance->evbase = evbase;
 	instance->multi_hd = curl_multi_init();
-	instance->runtime_log = runtimelog;
-
 	curl_multi_setopt(instance->multi_hd, CURLMOPT_PIPELINING, CURLPIPE_HTTP1 | CURLPIPE_MULTIPLEX);
 	curl_multi_setopt(instance->multi_hd, CURLMOPT_MAX_HOST_CONNECTIONS, instance->max_cnn_host); 
 	curl_multi_setopt(instance->multi_hd, CURLMOPT_SOCKETFUNCTION, curl_socket_function_cb);
diff --git a/cache/src/tango_cache_tools.h b/cache/src/tango_cache_tools.h
index 6cac7b8..e0ab730 100644
--- a/cache/src/tango_cache_tools.h
+++ b/cache/src/tango_cache_tools.h
@@ -7,7 +7,7 @@
     MESA_handle_runtime_log((handle), (lv), "TANGO_CACHE", "%s:%d, " fmt, __FILE__, __LINE__, ##args)
 
 #ifdef CACHE_DEBUG_SWITCH
-#define DBG_CACHE(msg...) do{printf(msg);}while(0)
+#define DBG_CACHE(fmt, args...) do{printf("%s():%d, " fmt, __FUNCTION__, __LINE__, ##args);}while(0)
 #else
 #define DBG_CACHE(msg...)
 #endif
diff --git a/cache/src/tango_cache_transfer.cpp b/cache/src/tango_cache_transfer.cpp
index 5fb6398..1889341 100644
--- a/cache/src/tango_cache_transfer.cpp
+++ b/cache/src/tango_cache_transfer.cpp
@@ -138,7 +138,7 @@ static int http_put_bodypart_request_evbuf(struct tango_cache_ctx *ctx, bool ful
 
 	rc = curl_multi_add_handle(ctx->instance->multi_hd, ctx->curl);
 	assert(rc==CURLM_OK);
-	DBG_CACHE("http_put_bodypart_request_evbuf, state: %d, length: %lu, key: %s\n", ctx->put.state, ctx->put.upload_length, ctx->object_key);
+	DBG_CACHE("state: %d, length: %lu, key: %s\n", ctx->put.state, ctx->put.upload_length, ctx->object_key);
 	return 1;
 }
 
@@ -197,7 +197,7 @@ int curl_get_minio_uploadID(struct tango_cache_ctx *ctx)
 
 	rc = curl_multi_add_handle(ctx->instance->multi_hd, ctx->curl);
 	assert(rc==CURLM_OK);
-	DBG_CACHE("curl_get_minio_uploadID, state: %d, key: %s\n", ctx->put.state, ctx->object_key);
+	DBG_CACHE("state: %d, key: %s\n", ctx->put.state, ctx->object_key);
 	return 1;
 }
 
@@ -295,7 +295,7 @@ bool cache_kick_combine_minio(struct tango_cache_ctx *ctx)
 
 	rc = curl_multi_add_handle(ctx->instance->multi_hd, ctx->curl);
 	assert(rc==CURLM_OK);
-	DBG_CACHE("cache_kick_combine_minio, state: %d, key: %s\n", ctx->put.state, ctx->object_key);
+	DBG_CACHE("state: %d, key: %s\n", ctx->put.state, ctx->object_key);
 	return true;
 }
 
@@ -357,7 +357,7 @@ int cache_kick_upload_minio_end(struct tango_cache_ctx *ctx)
 {
 	int ret = 0;
 
-	DBG_CACHE("cache_kick_upload_minio_end, state: %d, key: %s\n", ctx->put.state, ctx->object_key);
+	DBG_CACHE("state: %d, key: %s, curl %s NULL\n", ctx->put.state, ctx->object_key, (ctx->curl==NULL)?"is":"is not");
 	ctx->put.close_state = true;//仅设置状态，并非真正关闭；内部状态机轮转结束后再关闭
 	if(ctx->fail_state)
 	{
@@ -416,7 +416,7 @@ int cache_kick_upload_minio_end(struct tango_cache_ctx *ctx)
 
 void tango_cache_curl_put_done(struct tango_cache_ctx *ctx, CURLcode res, long res_code)
 {
-	DBG_CACHE("tango_cache_curl_put_done, state: %d, key: %s\n", ctx->put.state, ctx->object_key);
+	DBG_CACHE("state: %d, key: %s\n", ctx->put.state, ctx->object_key);
 	switch(ctx->put.state)
 	{
 		case PUT_STATE_WAIT_START: