fix: data component not setting unit field will render null

@@ -89,6 +89,16 @@
     }
   );
 
+  watch(
+    () => props.radio,
+    () => {
+      const option = beforeUpdateFn(props.layout.componentType);
+      setTimeout(() => {
+        unref(chartRef)?.setOption((option(unref(getRadio)) as unknown as EChartsOption) || {});
+      });
+    }
+  );
+
   let timeout: Nullable<number> = null;
 
   function handleRandomValue() {
@@ -101,6 +111,7 @@
     initChart();
     props.add && props.add(props.value.id, update);
     if (props.random) timeout = setInterval(handleRandomValue, 2000) as unknown as number;
+    console.log(unref(chartRef));
   });
 
   onUnmounted(() => {

@@ -107,10 +107,9 @@ export const instrumentComponent1 = (params?: Partial<ComponentInfo>): EChartsOp
           lineHeight: 30,
           borderRadius: 8,
           offsetCenter: [0, '-15%'],
-          // fontSize: 16,
           fontSize: 14,
           fontWeight: 'bolder',
-          formatter: `{value} ${unit ?? '°C'}`,
+          formatter: `{value} ${unit ?? ''}`,
           color: params?.fontColor || 'inherit',
         },
         data: [
@@ -219,7 +218,7 @@ export const instrumentComponent2 = (params?: Partial<ComponentInfo>): EChartsOp
         },
         detail: {
           valueAnimation: true,
-          formatter: `{value} ${unit}`,
+          formatter: `{value} ${unit ?? ''}`,
           color: params?.fontColor || 'inherit',
           fontSize: 14,
         },