提问参考模版：
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nebula 版本：2.0.1
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部署方式（分布式 ）：
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是否为线上版本：Y
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问题的具体描述
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相关的 meta / storage / graph info 日志信息 无报错
源数据：
{"src":"12345","dst":"23456","degree":34, "descr": "aaa","timep": "2020-01-01"}
{"src":"11111","dst":"22222","degree":33, "descr": "aaa","timep": "2020-01-01"}
{"src":"11111","dst":"33333","degree":32, "descr": "a\baa","timep": "2020-01-01"}
{"src":"11111","dst":"44444","degree":31, "descr": "aaa","timep": "2020-01-01"}
{"src":"22222","dst":"55555","degree":30, "descr": "a\naa","timep": "2020-01-01"}
{"src":"33333","dst":"44444","degree":29, "descr": "aaa","timep": "2020-01-01"}
{"src":"33333","dst":"55555","degree":28, "descr": "aa\ta","timep": "2020-01-01"}
{"src":"44444","dst":"22222","degree":27, "descr": "aaa","timep": "2020-01-01"}
{"src":"44444","dst":"55555","degree":26, "descr": "aaa","timep": "2020-01-01"}
{"src":"22222","dst":"66666","degree":25, "descr": "aaa","timep": "2020-01-01"}
建边语句：
CREATE EDGE friend(src string,dst string,degree int, descr string,timep DATE);
查询语句：
FETCH PROP ON friend "44444" -> "55555";
导入方法（官方例子）
def writeEdge(spark: SparkSession): Unit = {
LOG.info("start to write nebula edges")
val df = spark.read.json("src/main/resources/edge")
df.show()
df.persist(StorageLevel.MEMORY_AND_DISK_SER)
val config =
NebulaConnectionConfig
.builder()
.withMetaAddress("")
.withGraphAddress("")
.build
val nebulaWriteEdgeConfig: WriteNebulaEdgeConfig = WriteNebulaEdgeConfig
.builder()
.withSpace("test")
.withEdge("friend")
.withSrcIdField("src")
.withDstIdField("dst")
.withRankField("degree")
.withSrcAsProperty(true)
.withDstAsProperty(true)
.withRankAsProperty(true)
.withBatch(1000)
.build()
df.write.nebula(config, nebulaWriteEdgeConfig).writeEdges()
}