diff --git a/Cargo.lock b/Cargo.lock
index 864555c..1831eea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -292,7 +292,7 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "mindustry_logic_bang_lang"
-version = "0.14.1"
+version = "0.14.2"
 dependencies = [
  "display_source",
  "parser",
@@ -585,7 +585,7 @@ version = "0.1.2"
 
 [[package]]
 name = "var_utils"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "lazy-regex",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index e025a29..9b8eb82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mindustry_logic_bang_lang"
-version = "0.14.1"
+version = "0.14.2"
 edition = "2021"
 
 authors = ["A4-Tacks <wdsjxhno1001@163.com>"]
diff --git a/tools/var_utils/Cargo.toml b/tools/var_utils/Cargo.toml
index 8e79f12..18f39c1 100644
--- a/tools/var_utils/Cargo.toml
+++ b/tools/var_utils/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "var_utils"
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/tools/var_utils/src/lib.rs b/tools/var_utils/src/lib.rs
index e9ac4eb..9b34685 100644
--- a/tools/var_utils/src/lib.rs
+++ b/tools/var_utils/src/lib.rs
@@ -105,7 +105,7 @@ impl AsVarType for str {
         }
         fn as_number(s: &str) -> Option<f64> {
             static NUM_REGEX: &Lazy<Regex> = regex!(
-                r"^-?(?:\d+(?:e[+\-]?\d+|\.\d*)?|\d*(?:\.\d+)?)$"
+                r"^-?(?:\d+(?:e[+\-]?\d+|\.\d*)?|\d*\.\d+)$"
             );
             static HEX_REGEX: &Lazy<Regex> = regex!(
                 r"^0x-?[0-9A-Fa-f]+$"
@@ -127,7 +127,11 @@ impl AsVarType for str {
                 }
             }
             if NUM_REGEX.is_match(s) {
-                Some(s.parse().unwrap())
+                let res = match s.parse() {
+                    Ok(n) => n,
+                    Err(e) => panic!("{}, ({:?})", e, s),
+                };
+                Some(res)
             } else if HEX_REGEX.is_match(s) {
                 parse_radix(&s[2..], 16)
             } else if BIN_REGEX.is_match(s) {
diff --git a/tools/var_utils/src/tests.rs b/tools/var_utils/src/tests.rs
index be91fa4..431d421 100644
--- a/tools/var_utils/src/tests.rs
+++ b/tools/var_utils/src/tests.rs
@@ -50,6 +50,7 @@ fn test() {
             }
             false {
                 "+",
+                "-",
                 "0xg",
                 "0x_2",
                 "0b3",
@@ -105,6 +106,19 @@ fn float_parser_test() {
         let r#type = src.as_var_type();
         assert!(matches!(r#type, VarType::Number(_)), "{:?}", r#type);
     }
+
+    let bad_src = [
+        "-",
+        "-.",
+        ".",
+        "1.2e3",
+        "e3",
+        "-e3",
+    ];
+    for src in bad_src {
+        let r#type = src.as_var_type();
+        assert!(!matches!(r#type, VarType::Number(_)), "{:?}", r#type);
+    }
 }
 
 #[test]