fix: fix guizhou wasm

mems/examples/ds-guizhou/Cargo.toml

@@ -14,4 +14,4 @@ mems = { path = "../../../mems" }
 csv = "1.3.0"
 csv = "1.3.0"
 bytes = "1.6.1"
 bytes = "1.6.1"
 chrono = "0.4.38"
 chrono = "0.4.38"
-
+# chrono-tz = "0.9"

mems/examples/ds-guizhou/src/lib.rs

@@ -15,7 +15,7 @@ pub unsafe fn run(ptr: i32, len: u32) -> u64 {
         input
         input
     };
     };
     let schema = Schema::new(vec![
     let schema = Schema::new(vec![
-        Field::new("datetime", DataType::Timestamp(TimeUnit::Millisecond, Some("+08:00".into())), false),
+        Field::new("datetime", DataType::Timestamp(TimeUnit::Millisecond, Some("Asia/Shanghai".into())), false),
         Field::new("value", DataType::Float64, false),
         Field::new("value", DataType::Float64, false),
     ]);
     ]);