diff --git a/app/src/main/java/io/legado/app/data/entities/RssSource.kt b/app/src/main/java/io/legado/app/data/entities/RssSource.kt
index 99650060c..1f5cba92a 100644
--- a/app/src/main/java/io/legado/app/data/entities/RssSource.kt
+++ b/app/src/main/java/io/legado/app/data/entities/RssSource.kt
@@ -2,11 +2,14 @@ package io.legado.app.data.entities
 
 import android.os.Parcelable
 import androidx.room.Entity
+import androidx.room.PrimaryKey
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
 @Entity(tableName = "rssSources")
 data class RssSource(
     var sourceName: String,
+    @PrimaryKey
+    var sourceUrl: String,
     var enabled: Boolean = true
 ) : Parcelable
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