diff --git a/src/components/Modules/BeltSpecificationCalculate.vue b/src/components/Modules/BeltSpecificationCalculate.vue
index 958308f..4caf2ff 100644
--- a/src/components/Modules/BeltSpecificationCalculate.vue
+++ b/src/components/Modules/BeltSpecificationCalculate.vue
@@ -49,7 +49,7 @@
             <v-col cols="12">
               <param-input-field
                 v-model="paperCoreDiameter"
-                :label="`${$t('paperCoreDiameter')} (${paperCoreDiameter.unit})`"
+                :label="`${$t('paperTubeInnerDiameter')} (${paperCoreDiameter.unit})`"
               />
             </v-col>
             <v-col cols="12">
diff --git a/src/components/Modules/MultiLayerPaperTapeWidthAngleCalculate.vue b/src/components/Modules/MultiLayerPaperTapeWidthAngleCalculate.vue
index 6ab38e5..c248d74 100644
--- a/src/components/Modules/MultiLayerPaperTapeWidthAngleCalculate.vue
+++ b/src/components/Modules/MultiLayerPaperTapeWidthAngleCalculate.vue
@@ -27,7 +27,7 @@
               <param-input-field
                 v-model="paperCoreDiameter"
                 :disabled="recordList.length > 0"
-                :label="$t('paperCoreDiameter')"
+                :label="$t('paperTubeInnerDiameter')"
               />
             </v-col>
             <v-col cols="12">
@@ -175,7 +175,7 @@
   }
 
   const paperCoreDiameter = ref<Param>(createParam(76.2, 'mm'))
-  const bottomPaperWidth = ref<Param>(createParam(100, 'mm'))
+  const bottomPaperWidth = ref<Param>(createParam(105, 'mm'))
   const paperGrammage = ref<Param>(createParam(420, 'g_per_m2'))
   const paperDensity = ref<Param>(createParam(0.76, 'g_per_cm3'))
 
diff --git a/src/components/Modules/PaperRollWeightLengthCalculate.vue b/src/components/Modules/PaperRollWeightLengthCalculate.vue
index b6b1f8d..047c1f9 100644
--- a/src/components/Modules/PaperRollWeightLengthCalculate.vue
+++ b/src/components/Modules/PaperRollWeightLengthCalculate.vue
@@ -124,8 +124,8 @@
   import { createParam, type Param } from '@/types/param'
 
   const paperCoreDiameter = ref<Param>(createParam(76.2, 'mm'))
-  const paperRollExternalDiameter = ref<Param>(createParam(200, 'mm'))
-  const paperRollWidth = ref<Param>(createParam(100, 'mm'))
+  const paperRollExternalDiameter = ref<Param>(createParam(1200, 'mm'))
+  const paperRollWidth = ref<Param>(createParam(1600, 'mm'))
   const paperDensity = ref<Param>(createParam(0.76, 'g_per_cm3'))
   const paperGrammage = ref<Param>(createParam(420, 'g_per_m2'))
 
diff --git a/src/components/Modules/PaperTapeWidthAngleCalculate.vue b/src/components/Modules/PaperTapeWidthAngleCalculate.vue
index 3072947..1f63fd6 100644
--- a/src/components/Modules/PaperTapeWidthAngleCalculate.vue
+++ b/src/components/Modules/PaperTapeWidthAngleCalculate.vue
@@ -26,7 +26,7 @@
             <v-col cols="12">
               <param-input-field
                 v-model="paperCoreDiameter"
-                :label="$t('paperCoreDiameter')"
+                :label="$t('paperTubeInnerDiameter')"
               />
             </v-col>
             <v-col cols="12">
diff --git a/src/components/Modules/PaperTubeProductionCalculate.vue b/src/components/Modules/PaperTubeProductionCalculate.vue
index f60dc1d..525ef61 100644
--- a/src/components/Modules/PaperTubeProductionCalculate.vue
+++ b/src/components/Modules/PaperTubeProductionCalculate.vue
@@ -26,7 +26,7 @@
             <v-col cols="12">
               <param-input-field
                 v-model="paperCoreDiameter"
-                :label="$t('paperCoreDiameter')"
+                :label="$t('paperTubeInnerDiameter')"
               />
             </v-col>
             <v-col cols="12">
diff --git a/src/components/Modules/PaperTubeWeightCalculate.vue b/src/components/Modules/PaperTubeWeightCalculate.vue
index 9150275..833fa2f 100644
--- a/src/components/Modules/PaperTubeWeightCalculate.vue
+++ b/src/components/Modules/PaperTubeWeightCalculate.vue
@@ -44,7 +44,7 @@
             <v-col cols="12">
               <param-input-field
                 v-model="paperCoreDiameter"
-                :label="$t('paperCoreDiameter')"
+                :label="$t('paperTubeInnerDiameter')"
               />
             </v-col>
             <v-col cols="12">
diff --git a/src/locale/en.json b/src/locale/en.json
index 05fe333..c237ad6 100644
--- a/src/locale/en.json
+++ b/src/locale/en.json
@@ -3,6 +3,7 @@
   "beltSpecificationCalculate": "Belt Specification",
   "multiLayerPaperTapeWidthAngleCalculate": "MultiLayer Paper Tape Width & Angle",
   "paperCoreDiameter": "Paper core diameter",
+  "paperTubeInnerDiameter": "Paper tube inner diameter",
   "paperDensity": "Paper density",
   "paperGrammage": "Grammage",
   "paperRollExternalDiameter": "Paper roll external diameter",
diff --git a/src/locale/ru.json b/src/locale/ru.json
index e0d6eb3..c8c610e 100644
--- a/src/locale/ru.json
+++ b/src/locale/ru.json
@@ -3,6 +3,7 @@
   "beltSpecificationCalculate": "Спецификация ремня",
   "multiLayerPaperTapeWidthAngleCalculate": "Ширина и угол многослойной бумажной ленты",
   "paperCoreDiameter": "Диаметр бумажного сердечника",
+  "paperTubeInnerDiameter": "Внутренний диаметр бумажной трубки",
   "paperDensity": "Плотность бумаги",
   "paperGrammage": "Граммаж",
   "paperRollExternalDiameter": "Внешний диаметр бумажного рулона",
diff --git a/src/locale/sp.json b/src/locale/sp.json
index b312352..1e775d9 100644
--- a/src/locale/sp.json
+++ b/src/locale/sp.json
@@ -3,6 +3,7 @@
   "beltSpecificationCalculate": "Especificación de Correa",
   "multiLayerPaperTapeWidthAngleCalculate": "Ancho y Ángulo de Cinta de Papel Multicapa",
   "paperCoreDiameter": "Diámetro del núcleo de papel",
+  "paperTubeInnerDiameter": "Diámetro interior del tubo de papel",
   "paperDensity": "Densidad del papel",
   "paperGrammage": "Gramaje",
   "paperRollExternalDiameter": "Diámetro externo del rollo de papel",
diff --git a/src/locale/zh.json b/src/locale/zh.json
index 74e9f1c..35c73a6 100644
--- a/src/locale/zh.json
+++ b/src/locale/zh.json
@@ -3,6 +3,7 @@
   "beltSpecificationCalculate": "皮带规格计算",
   "multiLayerPaperTapeWidthAngleCalculate": "多层纸带宽度角度计算",
   "paperCoreDiameter": "纸芯内径",
+  "paperTubeInnerDiameter": "纸管内径",
   "paperDensity": "纸张密度",
   "paperGrammage": "纸张克重",
   "paperRollExternalDiameter": "纸卷外径",