diff --git a/app/build.gradle b/app/build.gradle
index 45671f18..4b417ce2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -18,6 +18,7 @@ android {
         versionCode 5
         versionName "1.0.3"
 
+        buildConfigField "String", "BASE_URL", properties['BASE_URL']
         buildConfigField "String", "API_KEY", properties['API_KEY']
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app/src/main/java/com/dongyang/android/youdongknowme/data/remote/entity/Cafeteria.kt b/app/src/main/java/com/dongyang/android/youdongknowme/data/remote/entity/Cafeteria.kt
index 6b791970..f058e58d 100644
--- a/app/src/main/java/com/dongyang/android/youdongknowme/data/remote/entity/Cafeteria.kt
+++ b/app/src/main/java/com/dongyang/android/youdongknowme/data/remote/entity/Cafeteria.kt
@@ -4,7 +4,7 @@ import com.google.gson.annotations.SerializedName
 
 data class Cafeteria(
     @SerializedName("date")
-    val date: String,
+    var date: String,
     @SerializedName("menus")
     val menu: List<String>
 )