fix: UTSPromise type error

pages/API/call-function/call-function.uvue

@@ -45,7 +45,7 @@
             content: result['showMessage'] as string,
             showCancel: false
           })
-        }).catch<void>((err: any) => {
+        }).catch<void>((err: any | null) => {
           const error = err as UniCloudError
           uni.hideLoading()
           uni.showModal({