为什么我无法从Json Array获取数据

我无法从https://api.coingecko.com/api/v3/exchanges.At最后我正在粘贴LogCat的日志。

有人能帮帮我吗？不要被我冗长的代码冒犯！！！

-------------------------这是我的(MainActivity.kt(------------------------------

package com.example.cryptotracker
import android.os.Bundle
import android.util.Log
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import kotlinx.android.synthetic.main.activity_main.*
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response
class MainActivity : AppCompatActivity() {
private lateinit var mAdapter :CryptoAdapter
private var crypto1 = mutableListOf<Crypto>()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
mAdapter = CryptoAdapter(this,crypto1)
recyclerView.adapter = mAdapter
recyclerView.layoutManager = LinearLayoutManager(this)

getCrypto()

}
private fun getCrypto() {
val crypto:Call<CryptoList> = CryptoService.cryptoInstance.getExchanges()
crypto.enqueue(object : Callback<CryptoList> {
override fun onResponse(call: Call<CryptoList>, response: Response<CryptoList>) {
val crypto:CryptoList? = response.body()
if(crypto!=null)
{
Log.d("THISSSSS",crypto.toString())
crypto1.addAll(crypto.crypto1)
mAdapter.notifyDataSetChanged()
}
}
override fun onFailure(call: Call<CryptoList>, t: Throwable) {
Log.d("ERRRRRROR","ERROR IN FETCHING",t)
}
} )
}
}

---------------------CryptoAdapter(适配器和ViewHolder(---------------

package com.example.cryptotracker
import android.content.Context
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.recyclerview.widget.RecyclerView
import com.bumptech.glide.Glide
class CryptoAdapter(val context:Context, val crypto1:List<Crypto> ):RecyclerView.Adapter<CryptoViewHolder>() {
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CryptoViewHolder {
val view:View = LayoutInflater.from(context).inflate(R.layout.item_crypto,parent,false)
return CryptoViewHolder(view)
}
override fun onBindViewHolder(holder: CryptoViewHolder, position: Int) {
val current_item:Crypto = crypto1[position]
holder.cryptoName.text = current_item.name
holder.cryptoCountry.text = current_item.country
holder.cryptoUrl.text = current_item.url
holder.cryptoVolume.text = current_item.trade_volume_24h_btc
Glide.with(context).load(current_item.image).into(holder.cryptoImage)
}
override fun getItemCount(): Int {
return  crypto1.size
}
}

class CryptoViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
var cryptoName = itemView.findViewById<TextView>(R.id.cryptoName)
var cryptoImage = itemView.findViewById<ImageView>(R.id.cryptoImage)
var cryptoCountry = itemView.findViewById<TextView>(R.id.cryptoCountry)
var cryptoUrl = itemView.findViewById<TextView>(R.id.cryptoUrl)
var cryptoVolume = itemView.findViewById<TextView>(R.id.cryptoVolume)

}

-----------------------CryptoTracker.kt------------------------------

package com.example.cryptotracker
import retrofit2.Call
import retrofit2.Retrofit
import retrofit2.http.GET
import retrofit2.create
import retrofit2.converter.gson.GsonConverterFactory
import retrofit2.http.Query
const val BASE_URL = "https://api.coingecko.com/"

interface CryptoInteface {
@GET("api/v3/exchanges")
fun getExchanges(): Call<CryptoList>
}
object CryptoService {
val cryptoInstance: CryptoInteface
init {
val retrofit: Retrofit = Retrofit.Builder()
.baseUrl(BASE_URL).addConverterFactory(GsonConverterFactory.create())
.build()
cryptoInstance = retrofit.create(CryptoInteface::class.java)

}
}

--------------------------这些是我的数据类---------

package com.example.cryptotracker
data class CryptoList (
val crypto1:List<Crypto>
)

package com.example.cryptotracker
data class Crypto (
val name:String,
val country:String,
val url:String,
val image:String,
val trade_volume_24h_btc:String,
val trade_volume_24h_btc_normalized:String
)

=====================LogCat================

com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 2 path $
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:226)
at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:40)
at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:27)
at retrofit2.OkHttpCall.parseResponse(OkHttpCall.java:243)
at retrofit2.OkHttpCall$1.onResponse(OkHttpCall.java:153)
at okhttp3.RealCall$AsyncCall.execute(RealCall.java:174)
at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 2 path $
at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:386)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:215)
at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:40) 
at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:27) 
at retrofit2.OkHttpCall.parseResponse(OkHttpCall.java:243) 
at retrofit2.OkHttpCall$1.onResponse(OkHttpCall.java:153) 
at okhttp3.RealCall$AsyncCall.execute(RealCall.java:174) 
at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) 
at java.lang.Thread.run(Thread.java:764)