diff --git a/app/src/main/java/com/shuwei/dish/match/ui/PrepareCookActivity.kt b/app/src/main/java/com/shuwei/dish/match/ui/PrepareCookActivity.kt
index e7bb603..f8124f4 100644
--- a/app/src/main/java/com/shuwei/dish/match/ui/PrepareCookActivity.kt
+++ b/app/src/main/java/com/shuwei/dish/match/ui/PrepareCookActivity.kt
@@ -98,7 +98,7 @@ class PrepareCookActivity : BaseActivity() {
                     return@setOnClickListener
                 }
             }
-            val weight = binding.tvDishPartWeight.text.toString().toDouble()
+            val weight = binding.tvDishPartWeight.text.toString().toDoubleOrNull() ?:0.toDouble()
             if (weight <= 0.toDouble()) {
                 toast("食材用量需要大于0")
                 return@setOnClickListener
diff --git a/app/src/main/java/com/shuwei/dish/match/utils/DecimalAdapter.kt b/app/src/main/java/com/shuwei/dish/match/utils/DecimalAdapter.kt
index 7395bda..b939ed3 100644
--- a/app/src/main/java/com/shuwei/dish/match/utils/DecimalAdapter.kt
+++ b/app/src/main/java/com/shuwei/dish/match/utils/DecimalAdapter.kt
@@ -14,7 +14,7 @@ class DecimalAdapter : TypeAdapter<Number>() {
     override fun read(reader: JsonReader): Number {
         return when (reader.peek()) {
             JsonToken.NUMBER -> reader.nextDouble()
-            JsonToken.STRING -> reader.nextString().toDouble()
+            JsonToken.STRING -> reader.nextString().toDoubleOrNull() ?: 0.0
             else -> 0.0
         }
     }