diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java
index 81339c9..db773a3 100644
--- a/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java
+++ b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java
@@ -16,6 +16,8 @@
 
 package org.springblade.core.tool.geo;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
@@ -99,6 +101,7 @@ public enum GeoType {
 		}
 	};
 
+	@JsonValue
 	private final String type;
 	private final String desc;
 
@@ -129,4 +132,20 @@ public enum GeoType {
 	 */
 	public abstract GeoPoint toBD09(double lon, double lat);
 
+	/**
+	 * 获取坐标系
+	 *
+	 * @param type type 坐标系类型
+	 * @return GeoType
+	 */
+	@JsonCreator
+	public static GeoType getGeoType(String type) {
+		for (GeoType geoType : values()) {
+			if (geoType.type.equalsIgnoreCase(type)) {
+				return geoType;
+			}
+		}
+		throw new IllegalArgumentException("未知的坐标系类型" + type);
+	}
+
 }