修改promis_fail错误描述

cache/include/tango_cache_client.h

@@ -17,6 +17,8 @@ enum CACHE_ERR_CODE
 	CACHE_OUTOF_MEMORY,//<2F><>ǰ<EFBFBD>ڴ<EFBFBD>ռ<EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><C6A3>鿴MAX_USED_MEMORY_SIZE_MB<4D>Ƿ<EFBFBD><C7B7><EFBFBD>С<EFBFBD><D0A1><EFBFBD>ߵ<EFBFBD>ǰ<EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD>ʸ<EFBFBD><CAB8><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>ߵ<EFBFBD><DFB5><EFBFBD><EFBFBD><EFBFBD>
 	CACHE_ERR_CURL,
 	CACHE_ERR_WIREDLB,
+	CACHE_ERR_SOCKPAIR,
+	CACHE_ERR_INTERNAL,
 };
 
 enum PUT_MEMORY_COPY_WAY