diff --git a/components/lib/inputnumber/InputNumber.vue b/components/lib/inputnumber/InputNumber.vue
index 0b3682953..21a1db15e 100755
--- a/components/lib/inputnumber/InputNumber.vue
+++ b/components/lib/inputnumber/InputNumber.vue
@@ -869,9 +869,15 @@ export default {
                     selectionEnd = sRegex.lastIndex + tRegex.lastIndex;
                     this.$refs.input.$el.setSelectionRange(selectionEnd, selectionEnd);
                 } else if (newLength === currentLength) {
-                    if (operation === 'insert' || operation === 'delete-back-single') this.$refs.input.$el.setSelectionRange(selectionEnd + 1, selectionEnd + 1);
-                    else if (operation === 'delete-single') this.$refs.input.$el.setSelectionRange(selectionEnd - 1, selectionEnd - 1);
-                    else if (operation === 'delete-range' || operation === 'spin') this.$refs.input.$el.setSelectionRange(selectionEnd, selectionEnd);
+                    if (operation === 'insert' || operation === 'delete-back-single') {
+                        const newSelectionEnd = selectionEnd + Number(this.isDecimalSign(value) || this.isDecimalSign(insertedValueStr));
+
+                        this.$refs.input.$el.setSelectionRange(newSelectionEnd, newSelectionEnd);
+                    } else if (operation === 'delete-single') {
+                        this.$refs.input.$el.setSelectionRange(selectionEnd - 1, selectionEnd - 1);
+                    } else if (operation === 'delete-range' || operation === 'spin') {
+                        this.$refs.input.$el.setSelectionRange(selectionEnd, selectionEnd);
+                    }
                 } else if (operation === 'delete-back-single') {
                     let prevChar = inputValue.charAt(selectionEnd - 1);
                     let nextChar = inputValue.charAt(selectionEnd);