diff --git a/source/Behavior/Attacking.ts b/source/Behavior/Attacking.ts
new file mode 100644
index 0000000..829b360
--- /dev/null
+++ b/source/Behavior/Attacking.ts
@@ -0,0 +1,79 @@
+import { Behavior } from "@Model/Behavior";
+import { Group } from "@Model/Group";
+import { Individual } from "@Model/Individual";
+import { Model } from "@Model/Model";
+
+type IAttackingBehaviorParameter = {
+    target: "CLG",
+	success: "number",
+    range: "number"
+}
+
+type IAttackingBehaviorEvent = {}
+
+class Attacking extends Behavior<IAttackingBehaviorParameter, IAttackingBehaviorEvent> {
+
+    public override behaviorId: string = "Attacking";
+
+    public override behaviorName: string = "$Title";
+
+    public override iconName: string = "DefenderTVM";
+
+    public override describe: string = "$Intro";
+
+    public override category: string = "$Interactive";
+
+	public override parameterOption = {
+		target: { type: "CLG", name: "$Target" },
+        range: { type: "number", name: "$Range", defaultValue: .05, numberMin: 0, numberStep: .01 },
+        success: { type: "number", name: "$Success", defaultValue: 90, numberMin: 0, numberMax: 100, numberStep: 5 }
+	};
+
+    public effect = (individual: Individual, group: Group, model: Model, t: number): void => {
+
+        for (let i = 0; i < this.parameter.target.objects.length; i++) {
+			const targetGroup = this.parameter.target.objects[i];
+
+			targetGroup.individuals.forEach((targetIndividual) => {
+
+				// 排除自己
+				if (targetIndividual === individual) return;
+				let dis = targetIndividual.distanceTo(individual);
+
+                // 进入攻击范围
+				if (dis <= this.parameter.range) {
+					
+                    // 成功判定
+                    if (Math.random() * 100 < this.parameter.success) {
+                        targetIndividual.die();
+                    }
+				}
+			});
+		}
+    }
+
+	public override terms: Record<string, Record<string, string>> = {
+        "$Title": {
+            "ZH_CN": "攻击",
+            "EN_US": "Attacking"
+        },
+		"$Target": {
+			"ZH_CN": "攻击目标",
+			"EN_US": "Attacking target"
+		},
+        "$Range": {
+            "ZH_CN": "攻击范围 (m)",
+			"EN_US": "Attacking range (m)"
+        },
+		"$Success": {
+			"ZH_CN": "成功率 (%)",
+			"EN_US": "Success rate (%)"
+		},
+        "$Intro": {
+            "ZH_CN": "攻击进入共进范围的目标群个体",
+            "EN_US": "Attack the target group and individual entering the range"
+        }
+    };
+}
+
+export { Attacking };
\ No newline at end of file
diff --git a/source/Behavior/Behavior.ts b/source/Behavior/Behavior.ts
index ecd7798..60b6eff 100644
--- a/source/Behavior/Behavior.ts
+++ b/source/Behavior/Behavior.ts
@@ -4,6 +4,7 @@ import { PhysicsDynamics } from "@Behavior/PhysicsDynamics";
 import { Brownian } from "@Behavior/Brownian";
 import { BoundaryConstraint } from "@Behavior/BoundaryConstraint";
 import { Tracking } from "@Behavior/Tracking";
+import { Attacking } from "@Behavior/Attacking";
 
 const AllBehaviors: IAnyBehaviorRecorder[] = [
     new BehaviorRecorder(Template),
@@ -11,6 +12,7 @@ const AllBehaviors: IAnyBehaviorRecorder[] = [
     new BehaviorRecorder(Brownian),
     new BehaviorRecorder(BoundaryConstraint),
     new BehaviorRecorder(Tracking),
+    new BehaviorRecorder(Attacking),
 ]
 
 /**
diff --git a/source/Behavior/PhysicsDynamics.ts b/source/Behavior/PhysicsDynamics.ts
index d061450..994b731 100644
--- a/source/Behavior/PhysicsDynamics.ts
+++ b/source/Behavior/PhysicsDynamics.ts
@@ -27,14 +27,14 @@ class PhysicsDynamics extends Behavior<IPhysicsDynamicsBehaviorParameter, IPhysi
 
 	public override parameterOption = {
 		mass: { name: "$Mass", type: "number", defaultValue: 1, numberStep: .01, numberMin: .001 },
-		resistance: { name: "$Resistance", type: "number", defaultValue: 0.5, numberStep: .1, numberMin: 0 },
+		resistance: { name: "$Resistance", type: "number", defaultValue: 2.8, numberStep: .1, numberMin: 0 },
 		limit: { name: "$Limit", type: "boolean", defaultValue: true },
 		maxAcceleration: {
-			name: "$Max.Acceleration", type: "number", defaultValue: 5, 
+			name: "$Max.Acceleration", type: "number", defaultValue: 6.25, 
 			numberStep: .1, numberMin: 0, condition: { key: "limit", value: true }
 		},
 		maxVelocity: {
-			name: "$Max.Velocity", type: "number", defaultValue: 10,
+			name: "$Max.Velocity", type: "number", defaultValue: 12.5,
 			numberStep: .1, numberMin: 0, condition: { key: "limit", value: true }
 		},
 	};
diff --git a/source/Behavior/Tracking.ts b/source/Behavior/Tracking.ts
index 0c6bc22..3ea2ed8 100644
--- a/source/Behavior/Tracking.ts
+++ b/source/Behavior/Tracking.ts
@@ -4,7 +4,7 @@ import { Individual } from "@Model/Individual";
 import { Model } from "@Model/Model";
 
 type ITrackingBehaviorParameter = {
-    target: "LG",
+    target: "CLG",
 	strength: "number",
     range: "number",
     lock: "boolean"
@@ -136,8 +136,8 @@ class Tracking extends Behavior<ITrackingBehaviorParameter, ITrackingBehaviorEve
 			"EN_US": "Tracking lock"
         },
         "$Range": {
-            "ZH_CN": "追踪范围",
-			"EN_US": "Tracking range"
+            "ZH_CN": "追踪范围 (m)",
+			"EN_US": "Tracking range (m)"
         },
 		"$Strength": {
 			"ZH_CN": "追踪强度系数",
diff --git a/source/Model/Group.ts b/source/Model/Group.ts
index 597adca..d38e9d5 100644
--- a/source/Model/Group.ts
+++ b/source/Model/Group.ts
@@ -39,7 +39,7 @@ class Group extends CtrlObject {
     /**
      * 生成个数
      */
-    public genCount: number = 1;
+    public genCount: number = 100;
 
     /**
      * 生成错误信息
@@ -54,7 +54,7 @@ class Group extends CtrlObject {
     /**
      * 删除个数
      */
-    public killCount: number = 1;
+    public killCount: number = 100;
 
     private genInSingleRange(count: number, range: Range) {
         for (let i = 0; i < count; i++) {
diff --git a/source/Page/SimulatorWeb/SimulatorWeb.tsx b/source/Page/SimulatorWeb/SimulatorWeb.tsx
index c2c0ddd..2060d15 100644
--- a/source/Page/SimulatorWeb/SimulatorWeb.tsx
+++ b/source/Page/SimulatorWeb/SimulatorWeb.tsx
@@ -116,6 +116,9 @@ class SimulatorWeb extends Component {
 
             let dynamicShark = this.status.model.addBehavior(getBehaviorById("PhysicsDynamics"));
             dynamicShark.name = "Dynamic Shark"; dynamicShark.color = [250, 200, 80];
+            dynamicShark.parameter.maxAcceleration = 8.5;
+            dynamicShark.parameter.maxVelocity = 15.8;
+            dynamicShark.parameter.resistance = 3.6;
 
             let brownian = this.status.model.addBehavior(getBehaviorById("Brownian"));
             brownian.name = "Brownian"; brownian.color = [200, 80, 250];
@@ -128,6 +131,10 @@ class SimulatorWeb extends Component {
             tracking.name = "Tracking"; tracking.color = [80, 200, 250];
             tracking.parameter.target.picker = fishLabel;
 
+            let attacking = this.status.model.addBehavior(getBehaviorById("Attacking"));
+            attacking.name = "Attacking"; attacking.color = [120, 100, 250];
+            attacking.parameter.target.picker = fishLabel;
+
             fish1.addBehavior(dynamicFish);
             fish1.addBehavior(brownian);
             fish1.addBehavior(boundary);
@@ -139,6 +146,7 @@ class SimulatorWeb extends Component {
             shark.addBehavior(dynamicShark);
             shark.addBehavior(boundary);
             shark.addBehavior(tracking);
+            shark.addBehavior(attacking);
 
             setTimeout(() => {
                 this.status.model.updateBehaviorParameter();