diff --git a/.gitignore b/.gitignore
index 4fffb2f..48d5723 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+.env
 /target
 /Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
index c2452b8..ae04370 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,4 +21,5 @@ serde = { version = "1.0.152", features = ["derive"] }
 serde_json = "1.0.91"
 
 [dev-dependencies]
+dotenv = "0.15.0"
 tokio = { version = "1.28.1", features = ["macros"] }
diff --git a/src/lib.rs b/src/lib.rs
index 1ede266..d07fd6e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -368,48 +368,6 @@ impl Databases {
     }
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[tokio::test]
-    async fn check_database_query() {
-        let databases = Client::new()
-            .api_key("secret_FuhJkAoOVZlk8YUT9ZOeYqWBRRZN6OMISJwhb4dTnud")
-            .build()
-            .search::<Database>(SearchOptions {
-                filter: Some(json!(
-                    {
-                        "value": "database",
-                        "property": "object"
-                    }
-                )),
-                query: None,
-                page_size: None,
-                sort: None,
-                start_cursor: None,
-            })
-            .await;
-
-        println!("{databases:#?}");
-    }
-
-    #[tokio::test]
-    async fn test_blocks() {
-        let blocks = Client::new()
-            .api_key("secret_FuhJkAoOVZlk8YUT9ZOeYqWBRRZN6OMISJwhb4dTnud")
-            .build()
-            .blocks
-            .children()
-            .list(BlockChildrenListOptions {
-                block_id: "0d253ab0f751443aafb9bcec14012897",
-            })
-            .await;
-
-        println!("{blocks:#?}")
-    }
-}
-
 #[derive(Debug, Default)]
 pub struct DatabaseQueryOptions<'a> {
     pub database_id: &'a str,
@@ -1211,10 +1169,20 @@ where
             (
                 key.to_owned(),
                 serde_json::from_value::<Property>(value.to_owned()).unwrap_or_else(|error| {
-                    log::warn!(
-                        "Could not parse value because of error, defaulting to Property::Unsupported:\n= ERROR:\n{error:#?}\n= JSON:\n{}\n---",
-                        serde_json::to_string_pretty(&value).unwrap()
-                    );
+                    println!("GOT HERE????");
+                    match value.get("type") {
+                        Some(Value::String(kind)) => match kind.as_ref() {
+                            "multi_select" => println!("found multi_select!"),
+                            _ => {}
+                        },
+                        Some(_) | None => {
+                            log::warn!(
+                                "Could not parse value because of error, defaulting to Property::Unsupported:\n= ERROR:\n{error:#?}\n= JSON:\n{}\n---",
+                                serde_json::to_string_pretty(&value).unwrap()
+                            );                        
+                        }
+                    }
+
                     Property::Unsupported(value.to_owned())
                 }),
             )
@@ -1473,3 +1441,114 @@ pub enum DatabaseFormulaType {
     Number,
     String,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn get_key() -> String {
+        let _ = dotenv::dotenv();
+        std::env::var("NOTION_API_KEY").unwrap()
+    }
+
+    #[tokio::test]
+    async fn check_database_query() {
+        let databases = Client::new()
+            .api_key(&get_key())
+            .build()
+            .search::<Database>(SearchOptions {
+                filter: Some(json!(
+                    {
+                        "value": "database",
+                        "property": "object"
+                    }
+                )),
+                query: None,
+                page_size: None,
+                sort: None,
+                start_cursor: None,
+            })
+            .await;
+
+        println!("{databases:#?}");
+    }
+
+    #[tokio::test]
+    async fn test_blocks() {
+        let blocks = Client::new()
+            .api_key(&get_key())
+            .build()
+            .blocks
+            .children()
+            .list(BlockChildrenListOptions {
+                block_id: "0d253ab0f751443aafb9bcec14012897",
+            })
+            .await;
+
+        println!("{blocks:#?}")
+    }
+
+    #[test]
+    fn parse_json_1() {
+        let data = r#"
+        {
+          "id": "FzYl",
+          "name": "Currently with",
+          "select": {
+            "options": [
+              {
+                "color": "default",
+                "description": null,
+                "id": "nT[N",
+                "name": "Someone else"
+              },
+              {
+                "color": "red",
+                "description": null,
+                "id": "fgu_",
+                "name": "Me"
+              }
+            ]
+          },
+          "type": "select"
+        }"#;
+
+        serde_json::from_str::<DatabaseProperty>(data).unwrap();
+    }
+
+    // TODO: write test using https://stackoverflow.com/a/75979520
+    #[test]
+    fn parse_json_multi_select_failed_because_of_map_instead_of_sequence() {
+        let data = r#"
+            {
+              "id": "pvSs",
+              "multi_select": {
+                "options": [
+                  {
+                    "color": "orange",
+                    "description": null,
+                    "id": "|FMC",
+                    "name": "Loan"
+                  },
+                  {
+                    "color": "green",
+                    "description": null,
+                    "id": "\\Iu\\",
+                    "name": "Checking "
+                  },
+                  {
+                    "color": "blue",
+                    "description": null,
+                    "id": "q]rZ",
+                    "name": "Credit"
+                  }
+                ]
+              },
+              "name": "Type",
+              "type": "multi_select"
+           } 
+        "#;
+
+        serde_json::from_str::<Property>(data).unwrap();
+    }
+}
diff --git a/unit-testable-json.txt b/unit-testable-json.txt
new file mode 100644
index 0000000..31aa132
--- /dev/null
+++ b/unit-testable-json.txt
@@ -0,0 +1,464 @@
+{
+  "id": "FzYl",
+  "name": "Currently with",
+  "select": {
+    "options": [
+      {
+        "color": "default",
+        "description": null,
+        "id": "nT[N",
+        "name": "Someone else"
+      },
+      {
+        "color": "red",
+        "description": null,
+        "id": "fgu_",
+        "name": "Me"
+      }
+    ]
+  },
+  "type": "select"
+}
+---
+{
+  "files": null,
+  "id": "KTSO",
+  "name": "Files & media",
+  "type": "files"
+}
+---
+{
+  "id": "CEPX",
+  "name": "Focus",
+  "select": {
+    "options": [
+      {
+        "color": "orange",
+        "description": null,
+        "id": "J^N_",
+        "name": "Web Dev"
+      },
+      {
+        "color": "purple",
+        "description": null,
+        "id": "}xYt",
+        "name": "Work"
+      },
+      {
+        "color": "blue",
+        "description": null,
+        "id": ";<tP",
+        "name": "University"
+      },
+      {
+        "color": "green",
+        "description": null,
+        "id": "x=t?",
+        "name": "Home"
+      }
+    ]
+  },
+  "type": "select"
+}
+---
+{
+  "id": "XwUK",
+  "name": "Remarks",
+  "rich_text": null,
+  "type": "rich_text"
+}
+---
+{
+  "id": "%3BH%60D",
+  "multi_select": {
+    "options": [
+      {
+        "color": "default",
+        "description": null,
+        "id": "02648794-ae08-408a-8ecf-0775bf71f505",
+        "name": "UK Move"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "@Mb:",
+        "name": "Generic Tasks"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "xNf;",
+        "name": "Finance"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "gGrj",
+        "name": "Management"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "uiTJ",
+        "name": "Gym"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "=Dwo",
+        "name": "Career Development"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "cVoq",
+        "name": "Primary Role"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "\\;{[",
+        "name": "Personal Goals"
+      }
+    ]
+  },
+  "name": "Sub-Focus",
+  "type": "multi_select"
+}
+---
+{
+  "id": "SPW%3D",
+  "name": "Fee",
+  "number": {
+    "format": "dollar"
+  },
+  "type": "number"
+}
+---
+{
+  "id": "%40o%60J",
+  "multi_select": {
+    "options": [
+      {
+        "color": "green",
+        "description": null,
+        "id": ">u]:",
+        "name": "UK"
+      },
+      {
+        "color": "yellow",
+        "description": null,
+        "id": "d{Rl",
+        "name": "US"
+      }
+    ]
+  },
+  "name": "Location",
+  "type": "multi_select"
+}
+---
+{
+  "id": "%7CMD%3B",
+  "multi_select": {
+    "options": [
+      {
+        "color": "pink",
+        "description": null,
+        "id": "gks?",
+        "name": "Yes"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "moPz",
+        "name": "No"
+      }
+    ]
+  },
+  "name": "Subscriptions?",
+  "type": "multi_select"
+}
+---
+{
+  "id": "pvSs",
+  "multi_select": {
+    "options": [
+      {
+        "color": "orange",
+        "description": null,
+        "id": "|FMC",
+        "name": "Loan"
+      },
+      {
+        "color": "green",
+        "description": null,
+        "id": "\\Iu\\",
+        "name": "Checking "
+      },
+      {
+        "color": "blue",
+        "description": null,
+        "id": "q]rZ",
+        "name": "Credit"
+      }
+    ]
+  },
+  "name": "Type",
+  "type": "multi_select"
+}
+---
+{
+  "id": "yDni",
+  "multi_select": {
+    "options": [
+      {
+        "color": "blue",
+        "description": null,
+        "id": "a8225f34-713e-48da-92d6-f372a814f048",
+        "name": "Onboarding"
+      },
+      {
+        "color": "green",
+        "description": null,
+        "id": "7f2c6dcf-6c6a-4b9d-8e11-d2966b670bf5",
+        "name": "Design"
+      }
+    ]
+  },
+  "name": "Tags",
+  "type": "multi_select"
+}
+---
+{
+  "id": "H%7D%3BY",
+  "last_edited_time": null,
+  "name": "上次编辑时间",
+  "type": "last_edited_time"
+}
+---
+{
+  "created_time": null,
+  "id": "notion%3A%2F%2Fmeetings%2Fcreated_time_property",
+  "name": "Created time",
+  "type": "created_time"
+}
+---
+{
+  "id": "notion%3A%2F%2Fmeetings%2Flast_edited_time_property",
+  "last_edited_time": null,
+  "name": "Last edited time",
+  "type": "last_edited_time"
+}
+---
+{
+  "created_time": null,
+  "id": "notion%3A%2F%2Fmeetings%2Fcreated_time_property",
+  "name": "Created time",
+  "type": "created_time"
+}
+---
+{
+  "id": "notion%3A%2F%2Fmeetings%2Flast_edited_time_property",
+  "last_edited_time": null,
+  "name": "Last edited time",
+  "type": "last_edited_time"
+}
+---
+{
+  "id": "notion%3A%2F%2Fmeetings%2Fmeeting_type_property",
+  "name": "Type",
+  "select": {
+    "options": [
+      {
+        "color": "yellow",
+        "description": null,
+        "id": "standup",
+        "name": "Standup"
+      },
+      {
+        "color": "blue",
+        "description": null,
+        "id": "brainstorm",
+        "name": "Brainstorm"
+      },
+      {
+        "color": "green",
+        "description": null,
+        "id": "team_weekly",
+        "name": "Team weekly"
+      },
+      {
+        "color": "pink",
+        "description": null,
+        "id": "training",
+        "name": "Training"
+      }
+    ]
+  },
+  "type": "select"
+}
+---
+{
+  "id": "notion%3A%2F%2Ftasks%2Fpriority_property",
+  "name": "Priority",
+  "select": {
+    "options": [
+      {
+        "color": "green",
+        "description": null,
+        "id": "priority_low",
+        "name": "Low"
+      },
+      {
+        "color": "yellow",
+        "description": null,
+        "id": "priority_medium",
+        "name": "Medium"
+      },
+      {
+        "color": "red",
+        "description": null,
+        "id": "priority_high",
+        "name": "High"
+      }
+    ]
+  },
+  "type": "select"
+}
+---
+{
+  "id": "notion%3A%2F%2Ftasks%2Ftags_property",
+  "multi_select": {
+    "options": [
+      {
+        "color": "purple",
+        "description": null,
+        "id": "Mobile",
+        "name": "Mobile"
+      },
+      {
+        "color": "blue",
+        "description": null,
+        "id": "Website",
+        "name": "Website"
+      },
+      {
+        "color": "pink",
+        "description": null,
+        "id": "Improvement",
+        "name": "Improvement"
+      }
+    ]
+  },
+  "name": "Tags",
+  "type": "multi_select"
+}
+---
+{
+  "id": "rWCq",
+  "name": "Address",
+  "rich_text": null,
+  "type": "rich_text"
+}
+---
+{
+  "id": "jhSN",
+  "name": "Category",
+  "select": {
+    "options": [
+      {
+        "color": "pink",
+        "description": null,
+        "id": "f7672afb-be22-44e8-b01e-76b3edaaa0b2",
+        "name": "Healing (Social & Emotional Wellbeing) ✨"
+      },
+      {
+        "color": "pink",
+        "description": null,
+        "id": "yyXf",
+        "name": "Personal"
+      },
+      {
+        "color": "pink",
+        "description": null,
+        "id": "fee9b2a6-4bb0-4064-b328-23cbf9b7fbc9",
+        "name": "Medication"
+      },
+      {
+        "color": "pink",
+        "description": null,
+        "id": "4cb37ac5-8182-4948-b4a9-a43c3f7b44bd",
+        "name": "Physical Healing ✨"
+      },
+      {
+        "color": "purple",
+        "description": null,
+        "id": "kAOz",
+        "name": "Work"
+      },
+      {
+        "color": "purple",
+        "description": null,
+        "id": "BL[V",
+        "name": "Home"
+      },
+      {
+        "color": "purple",
+        "description": null,
+        "id": "48ad8f71-98f5-463c-a057-cb72ce1c47f1",
+        "name": "Car"
+      },
+      {
+        "color": "blue",
+        "description": null,
+        "id": "<r:U",
+        "name": "Malachi "
+      },
+      {
+        "color": "blue",
+        "description": null,
+        "id": "lQ~P",
+        "name": "Isaiah"
+      },
+      {
+        "color": "green",
+        "description": null,
+        "id": "?Mk{",
+        "name": "Business"
+      },
+      {
+        "color": "red",
+        "description": null,
+        "id": "172a8fff-cae3-477f-8dc0-22837e56936c",
+        "name": "Meeting"
+      },
+      {
+        "color": "red",
+        "description": null,
+        "id": "f27efcba-7687-4494-9438-21c6f11fbfb5",
+        "name": "DCJ"
+      },
+      {
+        "color": "default",
+        "description": null,
+        "id": "0a6ea6ea-1b93-415e-a8bb-d555afbd41a2",
+        "name": "Yuck"
+      },
+      {
+        "color": "green",
+        "description": null,
+        "id": "6c949785-1b8c-4a27-97b5-ebcf0462209f",
+        "name": "Healing & Growth (Financial) ✨"
+      }
+    ]
+  },
+  "type": "select"
+}
+---
+{
+  "files": null,
+  "id": "svj%5C",
+  "name": "Files & media",
+  "type": "files"
+}
+---